Ques 131 : Choose the correct answer.

From a pack of 52 playing cards, 4 cards are removed at random. In how many ways can the 1st place and 3rd place cards be drawn out such that both are black ?

Option 1 : 64,974 Option 2 : 62,252 Option 3 : 69,447

Ques 132 : Choose the correct answer.

In how many ways can the digits 2,3,5,7 and 9 be placed to form a three-digit number so that the higher order digit is always greater than the lower order digits? (Assume digits are all different).

Option 1 : 8 Option 2 : 9

Ques 133 : Choose the correct answer.

In how many ways can 4 ladies and 4 men form two mixed doubles teams for a tennis match?

Ques 134 : Choose the correct answer.

In CAT entrance examination paper there are 3 sections, each containing 5 questions. A candidate has to solve 5, choosing at least one from each section. The number of ways he can choose is

Option 1 : 2,500

Ques 135 : Choose the correct answer.

A boy has 4 different boxes and 5 different marbles. In how many ways can he place the marbles in the boxes such that each box has at least one marble ?

Option 1 : 560

Ques 136 : Choose the correct answer.

A teacher was trying to form the groups of students in such a way that every group has equal number of students and that number should be a prime number. She tried for first 5 prime numbers, but on each occasion exactly one student was left behind. If t

Option 1 : 0 Option 2 : 2 Option 3 : 3

Ques 137 : Choose the correct answer.

Ram buys 7 novels from a book fair. Shyam buys 8 novels from the fair, none of which is common with those bought by Ram. They decide to exchange their books one for one. In how many ways can they exchange their books for the first time ?

Option 1 : 7!x8! Option 2 : 7x8! Option 3 : 7!x8

Ques 138 : Choose the correct answer.

In an examination 10 questions are to be answered choosing at least 4 from each of part A and part B. If there are 6 questions in part A and 7 in part B, in how many ways can 10 questions be answered ?

Option 1 : 212

Ques 139 : Choose the correct answer.

A box contains 20 tickets of identical appearance, the tickets being numbered 1, 2, 3, ….., 20. In how many ways can 3 tickets be chosen such that the numbers on the drawn tickets are in arithmetic progression ?

Option 1 : 18 Option 2 : 33 Option 3 : 56

Ques 140 : Choose the correct answer.

A company could advertise about its new product in 4 magazines, 3 newspapers and 2 television channels. But in a later move it decided to give advertisements in only 2 of the magazines, one of the newspapers and one the TV channels. In how many ways can

Option 1 : 30

From a pack of 52 playing cards, 4 cards are removed at random. In how many ways can the 1st place and 3rd place cards be drawn out such that both are black ?

Option 1 : 64,974 Option 2 : 62,252 Option 3 : 69,447

**Option 4 : 1,592,500**Ques 132 : Choose the correct answer.

In how many ways can the digits 2,3,5,7 and 9 be placed to form a three-digit number so that the higher order digit is always greater than the lower order digits? (Assume digits are all different).

Option 1 : 8 Option 2 : 9

**Option 3 : 10**Option 4 : 15Ques 133 : Choose the correct answer.

In how many ways can 4 ladies and 4 men form two mixed doubles teams for a tennis match?

**Option 1 : 72**Option 2 : 108 Option 3 : 36 Option 4 : 84Ques 134 : Choose the correct answer.

In CAT entrance examination paper there are 3 sections, each containing 5 questions. A candidate has to solve 5, choosing at least one from each section. The number of ways he can choose is

Option 1 : 2,500

**Option 2 : 2,250**Option 3 : 2,750 Option 4 : 3,250Ques 135 : Choose the correct answer.

A boy has 4 different boxes and 5 different marbles. In how many ways can he place the marbles in the boxes such that each box has at least one marble ?

Option 1 : 560

**Option 2 : 240**Option 3 : 420 Option 4 : 36Ques 136 : Choose the correct answer.

A teacher was trying to form the groups of students in such a way that every group has equal number of students and that number should be a prime number. She tried for first 5 prime numbers, but on each occasion exactly one student was left behind. If t

Option 1 : 0 Option 2 : 2 Option 3 : 3

**Option 4 : 4**Ques 137 : Choose the correct answer.

Ram buys 7 novels from a book fair. Shyam buys 8 novels from the fair, none of which is common with those bought by Ram. They decide to exchange their books one for one. In how many ways can they exchange their books for the first time ?

Option 1 : 7!x8! Option 2 : 7x8! Option 3 : 7!x8

**Option 4 : 56**Ques 138 : Choose the correct answer.

In an examination 10 questions are to be answered choosing at least 4 from each of part A and part B. If there are 6 questions in part A and 7 in part B, in how many ways can 10 questions be answered ?

Option 1 : 212

**Option 2 : 266**Option 3 : 272 Option 4 : 312Ques 139 : Choose the correct answer.

A box contains 20 tickets of identical appearance, the tickets being numbered 1, 2, 3, ….., 20. In how many ways can 3 tickets be chosen such that the numbers on the drawn tickets are in arithmetic progression ?

Option 1 : 18 Option 2 : 33 Option 3 : 56

**Option 4 : 90**Ques 140 : Choose the correct answer.

A company could advertise about its new product in 4 magazines, 3 newspapers and 2 television channels. But in a later move it decided to give advertisements in only 2 of the magazines, one of the newspapers and one the TV channels. In how many ways can

Option 1 : 30

**Option 2 : 36**Option 3 : 44 Option 4 : None of these
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