(a) tan A tan B
(b) sec A cosec B
(c) cot A cot B
(d) None of these
Q3. An exterior angle of a triangle is 110° and one of the interior opposite angles is 30°, the other two angles of the triangle are
(a) 65°, 85°
(b) 75°, 75°
(c) 80°, 70°
(d) 60°, 90°
Q4. The list price of a shirt is Rs. 440 and a customer pays Rs. 396 for it. The discount rate is
(a) 10%
(b) 10½%
(c) 20%
(d) 12%
Q5. A plate was sold for Rs. 6,300 after giving two successive discounts of 12 1/2% and 10%. Find the marked price.
(a) Rs. 7,300
(b) Rs. 7,700
(c) Rs. 8,000
(d) Rs. 7,250
Q6. Nisha bought a number of oranges at 2 for a rupee and an equal number at 3 for a rupee. To make a profit of 20% she should sell a dozen for
(a) Rs. 6
(b) Rs. 8
(c) Rs. 10
(d) Rs. 12
(a) 2
(b) 3
(c) 0
(d) 1
Q8. The ratio of the areas of the circumcircle and the incircle of a square is
(a) 8 : 1
(b) 4 : 1
(c) 1 : 2
(d) 2 : 1
Q10. A triangle with sides 20, 21 and 29 cm. Find square of Inradius?
(a) 49
(b) 36
(c) 25
(d) 64
Q11. 2 men, 3 women and 1 boy can do a work in 10 days and 3 men, 2 women and 4 boys can do it in 15 days. In how many days 1 man, 1 woman and 1 boy can finish half the work?
(a) 6
(b) 12
(c) 15
(d) 30
Q12. A labour was employed for 30 days he get Rs. 10 for every working day and Rs. 2 deducted from wages for every leave. At the end he got Rs. 216. Find his working days.
(a) 18
(b) 7
(c) 23
(d) 20
Q13. The difference between simple and compound interest compounded annually, on a certain sum of money for 2 years at 8% per annum is Rs. 1.6. The sum (in Rs.) is:
(a) 650
(b) 625
(c) 300
(d) 250
(a) 1000
(b) 120
(c) 150
(d) 140
