Directions (1-5): What should come in place of the question mark (?) in the following number series?
Q1. 3, 15, 72, 384, ?, 16560,
(a) 2325
(b) 2342
(c) 1082
(d) 2352
(e) 2094
Q2. 2, 30, 130, 350, 738, ?
(a) 1342
(b) 1150
(c) 2734
(d) 911
(e) None of these
Q3. 13, 17.5, 26.5, 40, 58, 80.5, ?
(a) 105.4
(b) 145.7
(c) 135
(d) 107.5
(e) None of these
Q4. 11, 33, 132, 396, 1584, ?
(a) 5243
(b) 4875
(c) 4752
(d) 2084
(e) None of these
Q5. 2, 3, 7, 18, 17, 28 , 32 , ?
(a) 27
(b) 31
(c) 32
(d) 30
(e) 33
Q7. Ram is twice efficient than Shyam. Shyam and Sarita can do a piece of work in 20 days together while Sarita can finish the same work in 30 days alone. Find, in what time Ram will finish the work alone ?
(a) 20
(b) 30
(c) 25
(d) 40
(e) None of these
Q8. A container has a capacity of 45 gallons and is full of spirit. 9 gallons of spirit is drawn out and the container is again filled with water. This process is repeated 3 times. Find out how much spirit is left in the resulting mixture finally?
(a) 23.04 gallons
(b) 26.45gallons
(c) 16.5 gallons
(d) 17.25 gallons
(e) None of these
Q9. Three persons A, B and C invested their money in the ratio of 3 : 5 : 7. After 6 months C withdraws all his money and A invested twice more of his initial capital. If total profit after a year was Rs.6,604, then what was the share of B in the profit ?
(a) 2845
(b) 2540
(c) 4250
(d) 2450
(e) None of these
Q10. A shopkeeper mixes 240 kg of cheaper rice at the rate of Rs.15 per kg with some quantity of rice at the rate of Rs.25 per kg. He sells this mixture of rice at the rate of Rs.26 per kg and makes a profit of 30%.Find the quantity of costly rice mixed with the cheaper one.
(a) 305 kg
(b) 275 kg
(c) 250 kg
(d) 240 kg
(e) None of these
Directions (11-15): Simplify the following questions and find the value of question mark (?).
Q11. 55% of 280 + 60% of 555 = ?
(a) 487
(b) 1014
(c) 1011
(d) 817
(e) None of these
Q15. 0.09 × 0.1 – 0.009 ÷ 10 + 0.09 = ?
(a) 0.01009
(b) 0.0101
(c) 0.19
(d) 0.109
(e) 0.098
S15. Ans.(e)
Sol.
? = 0.0981
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