19881.The sales tax on a refrigerator at the rate of 9% is Rs.1,170, then the actual sale price is
Rs.10,530
Rs.12,960
Rs.13,000
Rs.20,000
19883.Ramu is now half as old as his father. Fifteen years ago the fathers age was three times as old as Ramu. Then their presentages are
42, 84
24, 84
30, 60
24, 48
19885.Easwari deposited Rs.350 per month for 6 years in a recurring deposit account in a post office. If she received Rs.32,865, then the rate of interest is
6%
10%
15%
8%
19887.The radius and height of a cylinder are in the ration 5: 7. If its volume is 440
cu. cm then the radius of the cylinder is
cu. cm then the radius of the cylinder is
10 cm
25 cm
15 cm
20 cm
19889.Find the area of the shaded portions in the figure, where ABCD is a square of side 21 cm.
140 cm$^{2}$
256 cm$^{2}$
252 cm$^{2}$
272 cm$^{2}$
19891.The three angle bisectors of a triangle are concurrent and the point of concurrence is called the
circumcentre
Orthocenter
centroid
incentre
19893.If two circles of radii r1 and r2 touch internally, the distance between their centres is equal to
r1+ r2
2r1
2r2
r1 - r2
19895.A, B and C can do a work in 12, 15 and 20 days respectively. They all work for one day. Then B leaves the group. In how many days will A and C complete
the rest of the work?
the rest of the work?
8 days
7 days
9 days
6 days
19897.Area of a trapezium is 33.32 cm2. Its one side is 8 cm and height 5.6 cm, then the another side is
11.9 cm
3.9 Cm
8.9 Cm
5.9 Cm
19899.The mean of the mode and median of the following data 17, 15, 9, 13, 24, 7, 12, 21, 10, 24 is
21
24
19
14
19903.If one of the factors of the expression x3 - 3x2 - x + 3 is (x + 1), then the other factors are
(x - 1), (x-3)
(x - 1), (x + 2)
(x + 1) (x +3)
(.χ + 1), (χ - 3)
19905.Two numbers are in the ratio 5 : 3. If they differ by 18, then what are the numbers?
42, 57
54,72
45, 27
47, 52
19907.The LCM of 3a$^{2}$ bC, 5 ab$^{2}$ C, 7 abC$^{2}$
35 a$^{2}$bC$^{2}$
105 a$^{2}$b$^{2}$ c$^{2}$
15 a$^{2}$b$^{2}$C$^{2}$
105 abc
19909.The cost price of 11 pens is equal to the selling price of 10 pens. The profit per cent is
10%
100%
11%
21%
19911.A park is in the shape of semicircle with radius 14 m. The cost of fencing it at the cost of Rs.8 per metre is
Rs.576
Rs.657
Rs.756
Rs.765
19913.Rahul invested Rs.5,000 at the rate of 8% simple interest per annum. He received Rs.5,800 after some years. The number of years is
3 years
2 years
4 years
5 years
19915.The mean mark of 100 students was found to be 40. Later on, it was found that a score of 53 was misread as 83. The correct mean corresponding to the correct Score is
39.7
37.9
29.7
27.9
19917.The mean of the 5 numbers is 32. If one of the numbers is excluded, then the mean is reduced by 4. The excluded number is
84
42
48
24
19919.A garden is in the form of a rectangle of dimension 30 m x 20 m. A path of width 1.5 m is laid all around the garden on the outside at the rate of Rs.6 per sq.m. What is the total expense?
Rs.495
Rs.754
Rs. 854
Rs. 954