Directions (1-5): In the following series find the term which is placed incorrectly.
Q1. 0, 4, 19, 48, 100, 180, 294
(a) 19
(b) 100
(c) 294
(d) 48
(e) 180
Q2. 1, 1, 2, 7, 34, 202, 1420
(a) 7
(b) 34
(c) 202
(d) 2
(e) 1420
Q3. 823, 734, 645, 556, 476, 378, 289
(a) 476
(b) 556
(c) 289
(d) 645
(e) 734
Q4. 1, 4, 11, 34, 102, 304, 911
(a) 11
(b) 911
(c) 102
(d) 34
(e) 304
Q5. 5, 8, 20, 42, 124, 246, 736
(a) 20
(b) 124
(c) 8
(d) 42
(e) 736
Solutions (1-5):
Solutions (1-5):
Q6. Two friends A and B jointly lent out Rs 81,600 at 4% per annum C.I. after 2 years, A gets the same amount as B gets after 3 years. The investment made by B was
(a) Rs 40000
(b) Rs 30000
(c) Rs 45000
(d) Rs 38000
(e) None of these
Q7. Raman scored 456 marks in an exam and Sita got 54 percent marks in the same exam which is 24 marks less than Raman. If the minimum passing marks in the exam is 34 percent, then how much more marks did Raman score more than the minimum passing marks?
(a) 184
(b) 196
(c) 190
(d) 180
(e) None of these
Q8. An HR company employs 4800 people, out of which 45 percent are males and 60 percent of the males are either 25 years or older. How many males are employed in HR company who are younger than 25 years?
(a) 2480
(b) 2320
(c) 1278
(d) 864
(e) None of these
Q9. The simple interest (p.a.) accrued on an amount of Rs 17,000 at the end of four years is Rs 6,800. What would be the compound interest (compounded annually) accrued on the same amount at the same rate after two years?
(a) Cannot be determined
(b) Other than those given as option
(c) Rs 3570
(d) Rs 3260
(e) Rs 3980
Q10. Amit borrowed a certain sum of money for 2 years at 8% per annum on simple interest and immediately lent it to Ravi but at compound interest and gained by Rs 16. What amount did Amit borrow?
(a) Rs 1600
(b) Rs 2500
(c) RS 2400
(d) Rs 1800
(e) None of these
Solutions (6-10):
Solutions (6-10):
Q11. A man can row 30 km uptream and 44 km downstream in 10 hrs. Also, he can row 40 km upstream and 55 km downstream in 13 hrs. find the rate of the current and the speed of the man in still water.
(a) 3 km/hr, 8 km/hr
(b) 3 km/hr, 7 km/hr
(c) 4 km/hr, 6 km/hr
(d) 8 km/hr,3km/hr
(e) None of these
Q12. A boat travels upstream from B to A and downstream from A to B in 3 hrs. If the speed of the boat in still water is 9 km/hr and the speed of the current is 3 km/hr, the distance between A and B is
(a) 8 km
(b) 16 km
(c) 12 km
(d) cannot be determined
(e) None of these
Q13. A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr, its takes 3 hrs more in upstream than in the downstream for the same distance. The distance is
(a) 30 km
(b) 24 km
(c) 20 km
(d) 32 km
(e) None of these
Q14. A man can row 5 km/hr in still water. If the river is running at 1 km/hr, it takes him 75 min to row to a place and back. How far is the place?
(a) 2.5 km
(b) 3 km
(c) 4 km
(d) 5 km
(e) None of these
Q15. A motorboat can travel at 10 km/hr in still water. It travelled 91 km downstream in a river and then returned, taking altogether 20 hrs. Find the rate of the flow of the river
(a) 6 km/hr
(b) 5 km/hr
(c) 8 km/hr
(d) 3 km/hr
(e) None of these
Solutions (11-15):
Solutions (11-15):
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