In the modem periodic table, which of the two periods contain 8 elements each?
1). 4 and 5
2). 3 and 4
3). 1 and 2
4). 2 and 3
The initial ratio of sugar to flour in a dough was 2 : 7. To 9 kg of the dough John added
more sugar to make the sugar to flour ratio 2 : 5. How much sugar did John later add ?
1). 750 g
2). 1.2 kg
3). 1 kg
4). 800 g
A man walks 10 kms towards east, then takes a right turn and walks 8 km and again takes
a left and walks 6 km. I11 which direction is the man with respect to his starting position ?
1). North west
2). North east
3). South west
4). South east
Solve the following:
45 - [38 - {60 $\div$ 3 — (6 -9 $\div$ 3) $\div$ 3}]
1). 25
2). 26
3). 24
4). 21
What does the kinetic energy (KE) of a moving body depend upon ?
1). Weight and its position
2). Mass and its position
3). Mass and acceleration
4). Mass and velocity