1. The difference between the squares of two consecutive odd integers is always divisible by
(a) 3
(b) 6
(c) 7
(d) 8
2. If the HCF of two numbers (each greater than 13) be 13 and LCM 273, then the sum of the numbers will be
(a) 286
(b) 130
(c) 288
(d) 290
3. A toy is in the form of a right circular cone mounted on a hemisphere. If the radius of hemisphere is 3.5 cm and the total height of the toy is 9.5 cm. The volume of toy is
(a) 164 cm^3
(b) 166.83 cm^3
(c) 169 cm^3
(d) 172.83 cm^3
4. If 5 men or 9 women can finish a piece of work in 19 days, 3 men and 6 women will do the same work in
(a) 10 days
(b) 12 days
(c) 13 days
(d) 15 days
5. 12 men take 36 days to do a work while 12 women complete 3/4th of the same work in 36 days. In how many days 10 men and 8 women together will complete the same work?
(a) 6 days
(b) 12 days
(c) 27 days
(d) Data inadequate
6. The true discount on a sum due 8 months hence at 6% per annum is Rs. 130. The sum due is
(a) Rs. 3120
(b) Rs. 3250
(c) Rs. 3380
(d) None of these
7. The ratio of cost price and selling price of an article is 20 : 21. What is the profit per cent on it ?
(a) 5%
(b) 5.5%
(c) 6%
(d) 6.25%
8. When 20% of a number is added to another number, the number increases by 50%. What is the ratio between the first and the second number ?
(a) 3 : 2
(b) 2 : 3
(c) 5 : 2
(d) 2 : 5
9. In three numbers, the first number is double of the second and half of the third. If the average of three numbers is 56, then what is the largest number ?
(a) 96
(b) 108
(c) 92
(d) 84
10. A fan is listed at Rs. 1500 with a discount of 20%. What additional discount must be offered to the customer to bring the net price to Rs. 1080 ?
(a) 8%
(b) 10%
(c) 11(1/9)%
(d) 15%
Answers Key:
1. (d)
2. (b)
3. (b)
4. (d)
5. (c)
6. (c)
7. (a)
8. (c)
9. (a)
10. (c)
1. (d)
2. (b)
3. (b)
4. (d)
5. (c)
6. (c)
7. (a)
8. (c)
9. (a)
10. (c)
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