M1 T2 Senior

From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?

• 564

• 645

• 735

• 756

In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?

• 360

• 480

• 720

• 5040

In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?

• 810

• 1440

• 2880

• 50400

How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated?

• 5

• 10

• 15

• 20

In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

• 63

• 90

• 126

• 45

Herculaneum and its harbor were buried under _________ lava.

• liquid

• solid

• flowing

• gas

The poisonous gases were not _________ in the air.

• able to float

• visible

• able to evaporate

• invisible

Scientists analyzed data about Vesuvius in the same way that a zoologist _________ a specimen.

• describes in detail

• studies by cutting apart

• photographs

• chart

_________ have concluded that the volcanic eruption caused a tidal wave.

• Scientists who study oceans

• Scientists who study atmospheric conditions

• Scientists who study ash

• Scientists who study animal behavior

Scientists have used _________ water to wash away volcanic ash from the skeletons of victims.

• bottled

• volcanic

• purified

• sea