Problems On Numbers

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41 The sum of two numbers is 37 and the difference of their squares is 185, then the difference between the two numbers is :

A
10
B
4
C
5
D
3

42 The difference between $$\frac{3}{5}$$th of $$\frac{2}{3}$$rd of a number and $$\frac{2}{5}$$th of $$\frac{1}{4}$$th of the same number is 288. What is the number ?

A
850
B
895
C
955
D
960

43 In a two-digit positive number, the unit digit is equal to the square of ten's digit. The difference between the original number and the number formed by interchanging the digit's is 54. What is the original number?

A
93
B
39
C
24
D
42

44 Three-fourth of two-third of a number is 782. What is three-fifth of one-fourth of the same number?

A
233.6
B
234.6
C
235.6
D
236.6

45 The denominator of a fraction is 3 more than the numerator. If the numerator as well as the denominator is increased by 4, the fraction becomes 4/5. What was the original fraction ?

A
$$\frac{7}{11}$$
B
$$\frac{8}{11}$$
C
$$\frac{9}{11}$$
D
$$\frac{1}{11}$$

46 A number consists of two digit's whose sum is 8. If 18 is subtracted from the number, the digit's interchange their places, then what is the number?

A
53
B
35
C
62
D
26

47 If the three-fourth of a number is subtracted from the number, the value so obtained is 163. What is that number?

A
625
B
562
C
632
D
652

48 A chocolate has 12 equal pieces. Anura gave 1/4th of it to Anita, 1/3rd of it to Vanita and 1/6th of it to Resmi. The number of pieces of chocolate left with Anura is

A
1
B
2
C
3
D
4

49 X, Yand Z had taken a dinner together. The cost of the meal of Z was 20% more than that of Y and the cost of the meal of Xwas 5/6 as much as the cost of the meal of Z. If Y paid X 100, then what was the total amount that all the three of them had paid?

A
285
B
300
C
355
D
320

50 A student was ask to multiply a number by 3/2 but he devide that number by 3/2. His result was therefore 10 less than the correct answer. Find the number:

A
10
B
12
C
13
D
14