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Q 1. Which occupies more space : 1 kg gold or 1 kg cotton?
Gold
Cotton
Both
None
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Q 2. Which encloses more area if their perimeters are same - an equilateral triangle or a square?
Equilaterals
Square
Both equal
None
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Q 3. I am as much older than my brother who is 10 years as I am younger than my father who is 70 years. How old I am?
40 years
30 years
20 years
10 years
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Q 4. The product of two 2-digit numbers is 1665. The product of their unit digits is 35 and that of tens digits is 12. Find the numbers.
37, 45
47, 35
67, 25
65, 27
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Q 5. If * and {tex}\circledcirc{/tex} are two operations such that a * b = a + b + 2 and a {tex}\circledcirc{/tex} b = a{tex}\times{/tex} b - 4, find
(i) (3 * 4) {tex}\circledcirc{/tex} 5 and (ii) 3 * 4 (4 {tex}\circledcirc{/tex} 5)
Are they equal?
Yes
No
Can't say
Can't be determined
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Q 6. Choose digits (0 - 9) for each letter which satisfies the equation. Each letter has different value.
{tex} x^{y} = y^{x}{/tex}
x = 2, y = 4
x = 4, y =2
x = 3, y = 2
x = 2, y = 3
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Q 7. Choose digits (0 - 9) for each letter which satisfies the equation. Each letter has different value.
{tex}\frac{1}{x}+\frac{1}{y}+\frac{1}{z}=1{/tex}
2, 3, 6
1, 1, 1
3, 3, 3
3, 2, 6
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Q 8. Use the symbols +, -, {tex}\div{/tex}, {tex}\times{/tex} and {tex}\sqrt{}{/tex} to write the number 9 using 4 fours. For example, 44 {tex}\div{/tex} 44 = 1 or {tex}4 + 4 + 4 - \sqrt{4}{/tex} = 10.
4 + 4 + 4 {tex}\div{/tex} 4
4 + 4 - 4 {tex}\div{/tex} 4
4 + 4 - (4 {tex}\div{/tex} 4)
4 + 4 + (4 {tex}\div{/tex} 4)
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Q 9. Select a number, add 2, now multiple by 3 then subtract 6 and lastly divide by 3. What do you get?
always 3
Never 3
Always number itself
sometimes number itself
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Q 10. Select a number between 1 and 100. Add 28, then multiply by 6 and subtract 3. Now divide by 3 and then subtract 3 more than the original number. Now add 8, subtract 1 less than the original number. Lastly multiply by 7. Find the answer.
427
320
Number itself
420
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Q 11. The sum of the digits of a 2-digit number is equal to 12. The digit in the one's place is 3 times the digit in the tens place. Find the number.
39
93
57
75
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Q 12. The sum of the digits of a 2-digit number is 10. The digit in one's place is nine times the digit at ten's place. Find the number.
91
19
90
None
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Q 13. The smallest three digit number divisible by 3 is :
100
101
102
103
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Q 14. If a number 93*5 is divisible by 9, the possible digit which can replace * is :
1
2
3
4
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Q 15. If 23* is divisible by 11, the possible digit which can replace * is :
1
2
3
4
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Q 16. If the sum of the digits of the number is 33, then the number is divisible by :
3 only
9 only
neither 3 nor 9
3 and 9 both
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Q 17. If a number is divisible by 10, then the number is also divisible by :
2 only
5 only
neither 2 nor 5
2 and 5 both
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Q 18. The number 6912 is divisible by :
2 and 3
2 and 9 only
3 and 9 only
2, 3 and 9
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Q 19. A number having 0 at unit's digit is divisible by :
2 only
5 only
10 only
2, 5 and 10
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Q 20. If a number 87*2 is divisible by 9, the possible digit which can replace * is :
1
2
3
4
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Q 21. Largest three digit number divisible by 5 and 10 both is :
999
995
990
900
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Q 22. Choose digits (0 - 9) for each letter which satisfies the equation. Each letter has different value.
X {tex}\times{/tex} Y {tex}\times{/tex} YZ = XXX
2, 3, 7
4, 3, 2
1, 2, 3
2, 1, 7