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 a ...

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 ...

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 that ...

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 ...

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:

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 ...

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 ...

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% ...

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 ...

A person cover a distance of 450 km partly by train and partly by car If he travels 100 km by train rest by car it-takes 8 hours and if he covers 170 by train and rest by car it takes him 8 hours 12 minute to cover that distance. Find the speed of train. ...

In a class, the average weight of 40 boys is 65 kg and that of 50 girls is 60 kg. After a few days, 40% of the girls and 50% of the boys leave. What would be the new weight of the class (in kg)? Assume that the average weight of the boys and the girls remains constant throughout. (a) 65 (b) ...