In a circle with center O, an arc ABC subtends an angle of 132 degree at the center of the circle. Chord AB is produced to point P, find angle CBP (a) 48 (b) 68 (c) 66 (d) 76 Sol: As we know The angle subtended by an arc at the centre of ...

Two pipes A and B can fill a cistern in 16 and 24 minute respectively both fill pipes are opened together but 4 minutes before the cistern take to fill pipe B is closed. In how much time the cistern will get filled. (a)          13 min ...

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 ...