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Arithmetic Ability
Problems On Numbers
Quiz 4
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Q.1
What is the greater of the two numbers whose product is 1092 and the sum of the two numbers exceeds their difference by 42 ?
44
48
52
54
None of these
Q.2
The product of three consecutive even numbers when divided by 8 is 720. The product of their square roots is :
$$12\sqrt {10} $$
$$24\sqrt {10} $$
120
None of these
Q.3
The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:
20
23
169
None of these
Q.4
A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:
145
253
370
352
Q.5
The sum of two number is 25 and their difference is 13. Find their product.
104
114
315
325
Q.6
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:
20
30
40
None of these
Q.7
A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:
3
5
9
11
Q.8
Find the whole number which when increased by 20 is equal to 69 times the reciprocal of the number.
2.5
3
5
7
Q.9
What is the sum of two consecutive even numbers, the difference of whose squares is 84?
34
38
42
46
Q.10
In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:
24
26
42
46
Q.11
Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.
3
10
17
20
Q.12
If one-third of one-fourth of a number is 15, then three-tenth of that number is:
35
36
45
54
None of these
Q.13
Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:
9
11
13
15
None of these
Q.14
The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?
3
4
9
Cannot be determined
None of these
Q.15
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?
4
8
16
None of these
Q.16
A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is:
18
24
42
81
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