The sides BA and DE of a regular pentagon are produced to meet at F. What is the measure of angle ∠EFA? (a) 72 ° (b) 36 ° (c) 60 ° (d) 54 ° Sol: Given: Sides of pentagon BA and DE extended to meet at F. Concept used: S Sum of interior angles of […]
If the measure of each exterior angle of a regular polygon is 51(3/7), the ratio of the number of its diagonals to the number of its sides is. (a) 13:6 (b) 5:2 (c) 3:1 (d) 2:1 Sol:
A box contains 10 mangoes out of which 4 are rotten. 2 mangoes are taken out together. If one of them is found to be good, the probability that the other is also good is? (a) 1/3 (b) 8/15 (c) 5/13 (d) 2/13 Sol: A = Event that first mango is good. B = Event
A box contains 10 mangoes out of which 4 are rotten. 2 mangoes are taken out together Read More »
The daily wages of a worker are Rs. 100. Five workers can do a work in 10 days. If you pay Rs. 20 more daily, they agree to do 25% more work daily. If the proposal is accepted, then the total amount that could be saved is (a) Rs. 200 (b) Rs. 250 (c) Rs.
If x+1/x=y+1/y then x is equal to? (a) 0,1 (b) y,y2 (c) y,2y (d) y,1/y Sol:
If x+1/x=y+1/y then x is equal to Read More »
Denominator of a fraction is one more than twice the numerator. If the sum of the fraction and its reciprocal is 2 16/24 , then difference between numerator and denominator is? (a)3 (b)4 (c)5 (d)7 Sol:
A man purchased two articles for Rs. 7500. If he sells the first at 20% profit and the second at 50% loss. If C.P. of 1st article is equal to selling price of 2nd article find the overall profit or loss in the transaction. (a) 1500 (b) 2000 (c) 2500 (d) 3000 Sol: 1 →
A bag contains 480 coins of 50P, 25P, 10P and the ratio of their value is 5: 3: 1. How many coins of these three types? (a) 75, 90, 75 (b) 150, 180, 150 (c) 100, 99, 75 (d) 150, 120, 60 Sol:
A bag contains 480 coins of 50P, 25P, 10P and the ratio of their value is 5: 3: 1 Read More »
The C.I of Rs. 32,000 in 9 months is Rs. 5044. If C.I is calculated quarterly find the rate per annum? (a) 10% (b) 50% (c) 20% (d) 40% Sol:
Income of a man is increased by 1800 and payable tax is decreased from 18% to 15% in both cases 29.95 income is tax free and he is paying same tax amount. Find initial income(in Rs.) (a) 9000 (b) 6000 (c) 5000 (d) 10000 Sol: If tax rate decreases from 18% to 15% Income should
