Q1. The compound interest on a certain sum for 2 years at 10% per annum is Rs 525. The simple interest on the same sum for triple the time at double the rate percent per annum is:
(a) Rs 3000
(b) Rs 6000
(c) Rs 3500
(d) Rs 2000
Q2. The price of 2 Jeans and 4 Cap is Rs 1600. With the same money one can buy 1 Jeans and 6 Cap. If one wants to buy 12 Cap, how much shall one have to pay?
(a) Rs 2,400
(b) Rs 4,800
(c) Rs 1,200
(d) Rs 13,500
Q3. An article is sold at discount of 18% and an additional discount of 13% is allowed on cash payment. If Namrata purchased the article by paying Rs 1023.0156 in cash, the marked price of the article was
(a) Rs 1434
(b) Rs 1464
(c) Rs 1386
(d) Rs 1394
Q4. A mixture contains wine and water in the ratio 7 : 5 and another mixture contains them in the ratio 5 : 9. How many litres of the latter must be mixed with 9 litres of the former so that the resulting mixture may contain equal quantities of wine and water?
(a) 5.25 liter
(b) 5.35 liter
(c)4.75 liter
(d) 5.75 liter
Q5.
Q6. O is a centre of circle. AC and BD are two chords of the circle intersecting each other at P. If is equal to
(a) 1/3
(b) 2/3
(c) 4/3
(d) 10/3
Q7.
Q8.
Q9. At the foot a mountain, the elevation of its summit is 45°. After ascending 2 km towards the mountain upon an inclination of 30°, the elevation changes to 60°. The height of the mountain is
Q10. Two chords of a circle, of lengths 2a and 2b are mutually perpendicular. If the distance of the point, at which the chords intersect, from the centre of the circle is c (c<radius of the circle), then the radius of the circle is
Solutions:
S1. Ans. (c);
Sol.
S2. Ans. (a);
Sol.
S3. Ans. (a);
Sol.
Successice % of 18% and 13% = 28.66%
Atq, (100-28.66)% of x = 1023.0156
x = 1434
S4. Ans. (a);
Sol.
S5. Ans. (d);
Sol.
S6. Ans. (c);
Sol.
S7. Ans. (d);
Sol.
S8. Ans. (a);
Sol.
S9. Ans. (b);
Sol.
S10. Ans. (c);
Sol.