Two cars P and Q start from two points A and B towards each other simultaneously. They meet for the first time 40 km from B. After meeting they exchange their speeds as well as directions and proceed to their respective...
P and Q can complete a j ob i n 30 days and 20 days respectively. If P started the work first and 15 days later, Q joined, in how many days will they complete the remaining work?
A. 6 days
B. 12 days
C. 18 days
D. 21 days
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A television channel has eight programs − A through H − which are available for three prime-time slots on a Sunday evening. In how many different ways can the programmes be shown, if program A can come only after program B?
There was some food in the store which would have been sufficient for a certain number of men for 100 days. However, after 25 days 8 more men joined the group because of which the food lasted only for 35 more days. How many men w...
a,b,c and d are four real numbers such that a2 – b = b2 – c = c2 – d = d2 – a . Find the value of (a+b) (b+ c)(c+d)(d + a).
D. None of these
The angle bisectors BD and CE of a triangle ABC are divided by the incentre I in the ratios 3 : 2 and 2 : 1 respectively. Then the ratio in which I divides the angle bisector through A is-
(A) 3 : 1
(B) 11 : 4
(C) 6 : 5
(D) 7 : 4