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i want answers for book oxford new enjoying mathematics chapter no 5 playing with numbers ex 5.3

ahmed buys a plot of land of rs 96000 he sells 2/5 of it at loss of 6 percent , at what gain percent should he sell the remaining part of the plot to gain 10 percent on the whole ?

in two digit number, the digit at the units place is double the the digit in the tens place. the number exceeds the the sum of its digit by 18 .find the number.

IQ LVL TEST.Evaluate (20182019 * 20192018) - (20182018 * 20192019)

Complete the pattern :

0, 6, 24, 60, 120, 210, ?

the sum of the digits of the two digit number is 15.the number obtained by interchanging its digits exceeds the given number by 9. find the original number.

Find the value of A,B,C.

If 24

xis a multiple of 3, wherexis a digit, what is the value ofx?(Since 24

xis a multiple of 3, its sum of digits 6 +xis a multiple of 3; so 6 +xis one of these numbers: 0, 3, 6, 9, 12, 15, 18…. But sincexis a digit, it can only be that 6 +x= 6 or 9 or 12 or 15. Therefore,x= 0 or 3 or 6 or 9. Thus,xcan have any of four different values)solve the cryptograms : AB+AB=CAC

102-1=99

how is it possible?

Take a 2-digit number xy and reverse its digits. Add them so that their sum becomes a 3-digit number zxz.

A] find all possible values of x for which the number 7x3 is divisible by 3 . also find each such number.

B] find all possible values of y for which the number 53y1 is divisible by3 .also find each such number.

A) 1 lakh= ---

B) 1 million= ---

C) 10 billion= ---

D) 100 thousands= --- lakh

-20 = -20

16-36= 25-45

16-36 +(9/2)= 25-45 +(9/2) (adding 9/2 on both sides)

(4-9/2) (4-9/2)= (5-9/2) (5-9/2) (by a-b whole square formula)

4=5 (-9/2 = -9/2 )

where 4 is not = 5 find out mistake

PQ * P3= 57Q.

P=? Q=?

In a division sum, the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 48 then what is the dividend?

please explain by solving .

what is the divisibility test of 7?

in a 3-digit number, the tens digit is thrice the units digit and the hundreds digits is four times the units digits.also, the sum of its digits is 16. find the number.

without doing actual division, find the remainder when;

also write the steps to find the ans.

if the division N/2 leaves a remainder 1 what might be the ones digit of N

Find the largest number which divides 630 & 940 leaving remainder 6 & 4 respictivly in each case

A no. consists of 3 digits , the right hand being zero. If the left hand and middle digits be interchanged the no. is diminished by 180.If the left hand digit be halved and middle and right hand digits be interchanged the no. is diminished by 454. Find the no. .

Kindly answer by MERITNATION EXPERTS ONLY.

i a two digit number the digit at the units place is double the digit in the tes place . the number exceeds the sum of its digits by 18 find the number

If the unit’s digit of a number is 7,state the remainder in each case when the

number is divided by 2,5 and 10.

5*3=51

5*4=02

5*4=52

Then what is

5*6=?

Construct a 3*3 magic square with magic sum 54.

A wall clock gains 2 minutes in every 12 hours while a table clock loses 2 mins. every 36 hrs. Both are set right at 12 noon on Tuesday . The correct time when both show same time next woul be ?

options : (a) 1.30 at night, after 130 days

(b)12 midnight , after 135 days

(c) 12.30 at night ,after 130 days

(d) 12 noon, after 135 days

a)111, b)37, c)3

the units digit of a two digit number is 3 and seven times the sum of the digits is the number itself. find the number.

rn

1. Write a 2-digit number ab and the number obtained by reversing its digits i.e., ba. Find

rntheir sum. Let the sum be a 3-digit number dad i.e., ab + ba = dad

rn(10a + b) + (10b + a) = dad

rn11(a + b) = dad

rnThe sum a + b can not exceed 18 (Why?).

rnIs dad a multiple of 11?

rnIs dad less than 198?

rnWrite all the 3-digit numbers which are multiples of 11 upto 198.

rnFind the values of a and d.

rn3. If 21y5 is a multiple of 9, where y is a digit, what is the value of y?

rn4. If 31z5 is a multiple of 9, where z is a digit, what is the value of z? You will find that

rnthere are two answers for the last problem. Why is this so?

rn5. If 24x is a multiple of 3, where x is a digit, what is the value of x? (Since 24x is a

rnmultiple of 3, its sum of digits 6 + x is a multiple of 3; so 6 + x is one of these numbers:

rn0, 3, 6, 9, 12, 15, 18, ... . But since x is a digit, it can only be that 6 + x = 6 or 9 or 12

rnor15. Therefore, x = 0 or 3 or 6 or 9. Thus, x can have any of four different values.)

rn6. If 31z5 is a multiple of 3, where z is a digit, what might be the values of z?

rnThe difference between two positive integers is 3.If the sum of their squares is 369,what is the sum of the numbers.?

*

9b

=

73790

find a,b

write the smallest 4 digit number and express it in terms of prime factor

find two numbers whose product is a 1-digit number and the sum is a 2-digit number.

complete the following series

34,25,29,85,89,?

and explain pleaseFind the odd man out :

A, Z, F, N, E.

If 31

z5 is a multiple of 3, wherezis a digit, what might be the values ofz?if the division N / 5 leaves a remainder of 3 , what might be the ones digit of N ?

Rajdhani Express leave Delhi for Jaipur at a speed of 120km/h . After 90 minutes,another trian Delhi Express Leaves for jaipur for Delhi at a speed of 100km/h . Whenthe two traians cross EAch other wich trian is closer tro jaipur??

YE * ME = TTT find Y,E,M,T and Y+M+E+T

if RAT=42 and CAT=57,LATE=?

Nana sold her tea at 65 per gram in 2006,which was 25% more then what it was in 2004.What was the price of tea in 2004?Please help experts.

10b+a

ab+ba=10a+b+10b+a

=11a+11b

11(a+b)

so for - =10a+b - (10b+a)

9a-9b how

IF 'ZIP'=30 AND 'ZAP'=38

THEN HOW WILL YOU CODE VIP?

The difference between a two digit number and the number obtained by interchanging its digits is 63 . What is the difference between the digits of the number ?

the units digit of a two -digit number is 3 and seven times the sum of the digits is the number itself.Find the number .

4, 7, 15,31,35,19,11,?

1)6

2)7

3)8

4)9

A) 4x032

B) 68x83

solve crptarytham

ab +ba =dad

find value of a ,b,d

show syllabus for ntse examination

the sum of the digits of a two digit number is 12 , if the new number formed by reversing the digits is greater than the original number by 54, find the original number.

meritnation expert please answer to this qusstion as i am having my exams on sunday pls

debu walks towards east then towards north and turning then 45 degrees right walks for a while and lastly turns towards the left. In which direction is he walking now?

a) north

b) east

c) south east

d) north west

this language is exactly as it is in the book. the question is taken from R gupta's popular master guide--NTSE book---pg no.-98 ques no. 5

Solve The Question-:

A B

x B A

=(B +1) C B

60ab57377 is divisible by 99 .Find a and b?

How to check the divisibility by 8??

ABB*999=ABC123 find A,B,C ?