1. What will come in place of the question mark (?) in the following number-series?
1. 25
2. 32
3. 22
4. 35
5. 38
SOL : +9, – 8, + 7, – 6, +5
2. 16 persons complete a job in 12 days. How many days will 4 persons take to complete the same job?
1. 36 days
2. 48 days
3. 24 days
4. 30 days
5. 20 days
SOL : 48 days
3. The difference between 80% of a number and 63% of the same number is 578. What is 87% of that number?
1. 2858
2. 3558
3. 3368
4. 3645
5. 2958
Sol : 2958
4. The average age of a man and his son is 42 years. The ratio of their ages is 4:3 respectively. What is the son's present age?
1. 32 years
2. 28 years
3. 36 years
4. 30 years
5. 24 years
Sol : 36 years
6. What would be the simple interest obtained on an amount of Rs. 7745 at the rate of 10 p.c.p.a. after 6 years?
1. Rs. 4647
2. Rs. 4800
3. Rs. 4700
4. Rs. 5200
5. Rs. 4947
Sol : Rs. 4647
7. Find the greatest number which on dividing 152, 277 and 427 leaves equal remainder,
1. 25
2. 28
3. 29
4. 24
5. None
Sol : 25
8. The sum of two numbers is 2000 and their L.C.M. is 21879. The two numbers are.
1. 1989, 11
2. 1991, 9
3. 1993, 7
4. 1987, 13
5. None
Sol : 1989, 11
9. The price of an article is cut by 25% to restore it to its original price, the new price must be increased by
1. 30%
2. 25%
3. 33.33%
4. 20%
5. None
Sol : 33.33%
10. If the average of 68 consecutive numbers is 64, what is the difference between the smallest and largest number?
1. 72
2. 61
3. 67
4. 69
5. None
Sol :67
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MAHENDRA GURU