Q1. Three unbiased coins are tossed, what is the probability of getting at least 2 tails?
(a) 1/3
(b) 1/9
(c) 1/2
(d) 1/8
(e) None of these
Q2. What is the probability of getting a sum 9 from two throws of dice.
(a) 1/3
(b) 1/9
(c) 1/12
(d) 2/9
(e) None of these
(a) 1/3
(b) 1/9
(c) 1/12
(d) 2/9
(e) None of these
Q3. An article is sold at a loss of 10%. Had it been sold for Rs.9 more, there would have been a gain of 25/2% on it, then what is the cost price of the article?
(a) Rs. 74
(b) Rs.60
(c) Rs. 40
(d) Rs.80
(e) None of these
(a) Rs. 74
(b) Rs.60
(c) Rs. 40
(d) Rs.80
(e) None of these
Q4. In a journey of 160 km, a train covers the distance 120 km at a speed of 80 km/h and the remaining distance at 40 km/h. Find the average speed of the train for the whole journey.
(a) 60 km/h
(b) 64 km/h
(c) 40 km/h
(d) 45 km/h
(e) None of these
(a) 60 km/h
(b) 64 km/h
(c) 40 km/h
(d) 45 km/h
(e) None of these
Q5. If A is 20% more than B, then by what percent B is less than A?
(a) 16.67%
(b) 25%
(c) 16.34%
(d) 20%
(e) None of these
(a) 16.67%
(b) 25%
(c) 16.34%
(d) 20%
(e) None of these
Q6. Three friends A, B and C started a business by investing capitals in the ratios 5 : 7 : 6. After 6 months, C withdraws half of his capital. If the sum invested by A is Rs. 40000, out of the total annual profit of Rs. 33000, C’s share will be:
(a) Rs. 9000
(b) Rs. 12000
(c) Rs. 11000
(d) Rs. 10000
(e) None of these
Q7. Three men rent a pasture for Rs. 660. The first uses it to graze 50 sheeps for 4 months. The second uses it to graze 40 sheeps for 3 months. The third uses it to graze 46 sheep for 5 months. How much should the first man pays as rent?
(a) Rs. 276
(b) Rs. 220
(c) Rs. 144
(d) Rs. 240
(e) None of these
Q8. Three men A, B and C starts a business together. They invest Rs. 30000, Rs. 24000 and Rs. 42000, respectively, at the beginning. After 4 months, B withdrew Rs. 6000 and C withdrew Rs. 10000. They received a profit of Rs. 11960 at the end of the year. B’s share in the profit is:
(a) Rs. 2700
(b) Rs. 2803
(c) Rs. 2900
(d) Rs. 2785
(e) None of these
Q9. 20% loss on selling price is what percent loss on the cost price?
(a) 25%
(b) 16(2/3)%
(c) 15%
(d) 16(1/3)%
(e) None of these
Q10. A fruit seller bought 240 bananas at the rate of Rs. 48 per dozen. He sells half of them at the rate of Rs. 5 per banana, 1/6th of the remaining are found to be rotten. The price per banana at which he has to sell the remaining bananas to get a profit of 25% on his entire investment is:
(a) Rs. 5.5
(b) Rs. 6.0
(c) Rs. 5.0
(d) Rs. 6.5
(e) None of these
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MAHENDRA GURU