Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

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* * *

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?