**Revise 10 questions everyday from Prelims Past Papers (2015 to 1979)**

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**Todays 10 questions from 1986 GS-1 Prelims Paper [Questions 01-10]**

Q1. If the side of a cubical room is m, then the maximum length of the pole that can be placed inside it can be

**(b) 3 m**

(d) 9 m

Q2. A car runs at a speed of 40 km per hour during the first half of the journey and at a speed of 60 km per hour during the second half of the journey. The average speed of the car is

**(a) 48 kmph**

(b) 50 kmph

(c) 52 kmph

(d) 54 kmph

Q3. In the figure given below, if angle X = 60°, angle Y = 100° and ABC is an equilateral triangle, then angle Z =

(a) 100°

(b) 120°

**(c) 140°**

(d) 160°

Q4. If ‘+’ means ‘subtraction’, ‘÷’ means ‘addition’, ‘?’ means ‘less than’, ‘-’ means ‘greater than’, ‘x’ means ‘equal to’, ‘<’ means ‘multiplication’, and ‘>’ means ‘division’, then which of the following statements is true ?

(a) 9 ? 5 + 2 ÷ 4 > 12

(b) (9 + 5) ? (2 < 4) > 2

**(c) 9 + 5 ÷ (2 < 4) x 12**

(d) 9 < 5 – 2 ÷ (4 < 12)

Q5. Approximate value of [201/2 + 25-1/2 + 183 + 10-2] is

(a) 5828

(b) 5842

**(c) 5836**

(d) 5844

Q6. If the diameter of a cycle wheel is 3 ft, then the number of complete rotations that the wheel will make in covering a distance of 30 ft is

(a) 2

**(b) 3**

(c) 4

(d) 5

Q7. Ram Singh gives half of his cash reserves to his wife, one half of the remaining to his son and one third of the remaining to his daughter. If his daughter’s share is Rs. 12,500, then the total cash reserves with Ram Singh were

(a) Rs. 21,500

(b) Rs. 75,000

(c) Rs. 1,00,000

**(d) Rs. 1,50,000**

Q8. In binary system, 1010 is equivalent to

(a) 8

(b) 9

**(c) 10**

(d) 11

Q9. In the following division sum,

where x’s represent digits from 0 to 9, the digit at the hundredth place in the dividend

(a) 0

**(b) 1**

(c) 2

(d) 3

Q10. Two taps can fill a tank separately in 20 minutes and 30 minutes respectively. If both the taps are opened simultaneously, then the tank can be filled in

(a) 50 minutes

(b) 15 minutes

**(c) 12 minutes**

(d) 10 minutes

**Tomorrow: Next 10 questions**

**To revise [Questions 141-150 (1987 paper)] refer yesterday’s post.**

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