Ques 1.
Rs. 8400 are divided among A,B,C and D in such a way that the shares of A and B,B and C as well as C and d are in the ratios of 2:3,4:5 and 6:7 respectively.The share of A is
(a) Rs 1280
(b) Rs 8400
(c) Rs 8210
(d) Rs 1320
Ans 1.
Ques 2.
The sum of two numbers is 156 and their H.C.F, is 13. The number of such number pairs is
(a) 2
(b) 5
(c) 4
(d) 3
Ans 2. (13,143), (65,91)
Ques 3.
A man takes 2 hours to row 9km upstream and also 2 hours to row 17 km downstream .The speed of the current ( in km per hour ) is
(a) 1
(b) 2
(c) 3
(d) 4
Ans 3. Let speed of the Stream be x km/hr.
Let speed of the boat in still water be y km/r.
Ques 4.
The market price of a watch is Rs 800.A shopkeeper gives two successive discounts and sells the watch at Rs 612. If the first discount is 10% then the second discount is
(a) 12%
(b) 20%
(c) 15%
(d) 10%
Ans 4.
Ques 5.
If the ratio of the areas f two squares is 1:4. then the ratio of their perimeters is
(a) 1: 2
(b) 1: 4
(c) 1: 6
(d) 1: 8
Ans 5.
Ques 6.
A shopkeeper purchased 70kg of potatoes for Rs 420 and sold the whole lot at the rate of Rs 6.50 per kg .what will be his gain percent?
(a) 4 1/6%
(b) 25%
(c) 20%
(d) 8 1/3%
Ans 6.
Ques 7.
By selling an article at 2/5 of the marked price, there is a loss of 25%.The ratio of the marked price and the cost price of the article is
(a) 2 :5
(b) 5 : 2
(c) 15 : 8
(d) 8 : 15
Ans 7.
Ques 8.
Two girls and four boys are to be seated in a row in such a way that no two girls sit together.In how many different ways, can this be done ?
(a) 720
(b) 480
(c) 360
(d) None of these
Ans 8. 10 x 2! x 4! = 10 x 2 x 1 x 4 x 3 x 2 x 1 = 480
There are ten possibilities in which the given even can occur.Each of them can occur in 2! x 4! ways,i.e., 48 ways.
Ques 9.
A can sun 22.5 m while B runs 25 m. In a kilometre race B beats A by
(a) 100 m
(b) 111 1/9 m
(c) 25 m
(d) 50 m
Ans 9.
Ques 10.
A sum of money invested at compound interest amounts to Rs.800 in 3 years and to Rs 840 in 4 years .The rate of interest per annum is
(a) 2 1/2%
(b) 4%
(c) 5%
(d) 6 2/3%
Ans 10.
Ques 11.
A cistern is normally filled with water in 10 hours but takes 5 hours longer to fill because of a leak in its bottom.If the cistern is full, then leak will empty the cistern in
(a) 20 hours
(b) 40 hours
(c) 50 hours
(d) 30 Hours
Ans 11.
Ques 12.
Three partners A,B,C invest Rs 36000,Rs 45000 and Rs 54000 respective;y in a business.Out of a total profit of Rs 37500, C's share is
(a) Rs . 12500
(b) Rs. 15000
(c) Rs. 10000
(d) Rs. 15500
Ans 12.
