The number of pilgrims in the group is (a) 4        (b) 6      (c) 8        (d) 10

Direction (For next 2 questions): These questions are based on the following information: In a holy city, there are ten shrines and a certain number of holy lakes. A group of pilgrims stayed in the city for a few days and visited the shrines and lakes during their stay. At the end of the stay it turned out that in all each shrine was visited exactly by 4 pilgrims and each lake was visited exactly by 6 pilgrims. Each pilgrim visited exactly 5 shrines and 3 lakes. The number of lakes in the holy city is (a) 4 (b) 6 (c) 8 (d) 10

The number of edges of a triangular pyramid is 3 (b) 4 (c) 6 (d) 8

The numbers 2,4,6,8,.....98,100 are multiplied together.The number of zeros at the end of the product must be 10 (b) 11 (c) 12 (d) 13

The product of the L.C.M. and H.C.F. of two numbers is 24. The difference of two numbers is 2. Find the numbers. (a) 2 and 4 (b) 6 and 4 (c) 8 and 6 (d) 8 and 10

Number of vertices of a cuboid is 4 (b) 6 (c) 8 (d) 12

The number of faces of a triangular pyramid is 3 (b) 4 (c) 6 (d) 8

If 2x+y=5 and 3x-4y=2, then the value of 2xy is (a) 4 (b) 6 (c) 8 (d) 10

Total number of faces of a cuboid is 4 (b) 6 (c) 8 (d) 12

How many cubes are there in the group? (A) 20 (B) 10 (C) 16 (D) 8

The standard deviation of first 10 natural numbers is 8.25 (b) 6.5 (c) 3.87 (d) 2.87