1.SQRT (156.25) * SQRT (14.25) = 35 * X what is the value of
X? X = 1.25
2. A + 8450 ÷ 650 = 13 + A. What is the value of A? A = 0
3. The sum of a number whose ? th is 45. What is the number?
Ans: None
4. The sum of a 2 digit number is equal to the difference
between them. Find how many such numbers are possible? Ans: 10
5. The sum of a 2 digit number is equal to twice the
difference between them. Find how many such numbers are possible?
6. 1000.01 – 100.01 – 10.01 = X. what is X? X = 889.99
7. 0.25% of 10 – 10% of 0.25 = 25% of 100 – 100% of X. What
is X? X = 25
8. One – fifth of two – third of a number is equal to 24.
What is the number?
9. 100$8 – 2$39 = $319. What is $? $ = None of these
10. Ajith and Ajay’s age are in the ratio of 3:5. Two years
hence, their age are in the ratio 7:11. What is Ajith’s present age? Ajith’s
age = 12.
11. The length of a train is 200m and it crosses a platform
of 75m in 15sec. Another train with a length of 180m which is on the opposite
direction approaches it. How long it will take to cross the other?
12. (X) – Square, % - Square root, # - Divide, * - Multiply,
@ - addition and & - Subtraction. Find the value of (4)#4%4*4@4
13. Solve 30 – 0.05 *20 +10÷ 5 =?
14. A circle of diameter 28 cm. If there is a rectangle of
length 56 cm. What is the value of breadth whose areas are equal? Breadth =
44cm
15. A wheel rotates 18 revolutions in 4.5 sec. What are the
revolutions of the wheel per minute? Revolutions = 240
16. Solve: 20% of 60%of a number is equal to 40% of 200.
What is the number?
17. 252 x 253 =? 252 + 3
18. Series: 5 5 7.5 15 37.5 112.5 339.75 X
19. Trisha’s monthly salary is 25% more than Krishna’s salary
but 25% less than Payal’s salary. Krishna’s annual income is Rs. 1, 20, 000.
What is the monthly income of Payal?
20. There is a seven consecutive odd numbers. What is the
number greater than 6 and it is smaller than 6?
21. Work done is Zero for which process?
Ans: Constant Volume
22. Which cycle has high efficiency?
Ans: Otto Cycle
23. The power of 2 –stroke engine varies from 4 – stroke
engine by______.
Ans: Twice
24. Sudden reduction in barometer leads to ______.
Ans: Storm
25. Composition of Stainless steel ____.
Ans: Chromium, Nickel …
26. Gears are produced in mass production by ______.
Ans: Hobbing
27. Pick out the wrong statements:
a) The good fuel should have high calorific value
b) Ease in storing
c) High ignition point
d) Low smoke and gases
Ans: (C)
28. Composition of Gun metal _____
29. Gears are commonly called with _______
Ans: Pitch Circle Diameter
30. A good fuel should have ________ ignition point.
Ans: Low
