Hackathon

 $2+\ 2^{2\ }+\ 2^3+\ ----\ +\ 2^9=$  ? 

• 2044

• 1022

• 1056

• None of these

The smallest 3 digit prime number is:

• 101

• 103

• 109

• 113

Find the largest number of 4-digits divisible by 12, 15 and 18?

• 9900

• 9750

• 9450

• 900

The speeds of three cars are in the ratio 5:4:6. The ratio between the time taken by them to travel the same distance is :

• 5:4:6

• 6:4:5

• 10:12:15

• 12:15:10

The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

• 8:9

• 17:18

• 21:22

• Cannot be determined

Deepak said to Nitin, "That boy playing with the football is the younger of the two brothers of the daughter of my father's wife." How is the boy playing football related to Deepak?

• Son

• Brother

• Cousin

• Brother-in-law

If A + B means A is the mother of B; A - B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?

• Q - N + M x P

• P + S x N - Q

• P - M + N x Q

• Q - S % P

Rahul put his timepiece on the table in such a way that at 6 P.M. hour hand points to North. In which direction the minute hand will point at 9.15 P.M. ?

• South-East

• South

• North

• West

A person starts from a point A and travels 3 km eastwards to B and then turns left and travels thrice that distance to reach C. He again turns left and travels five times the distance he covered between A and B and reaches his destination D. The shortest distance between the starting point and the destination is:

• 12Km

• 15Km

• 16Km

• 18Km

The price of an article reduces to 576 after two successive discounts. The markup is 80% above the cost price of Rs. 500.What is the new profit percentage if instead of two successive discount the markup price was further increased successively two times by the same percentage?

• 259.2%

• 59.2%

• 159.2%

• Can't be determined