Class 3 | Science
Anu takes equal amounts of rice in two vessels and pours the same amount of
water in each of them. She then puts them both on the stove for the rice to cook.
She wants to check whether rice cooks faster in salt water or in plain water. What
else should she do to check this before turning the stove on?
A. mix salt in both the vessels
B. mix salt in only one of the vessels
C. add more water to both the vessels
D. add more water to only one of the vessels
Yesterday's Question | Class 3 | Maths
Which of these figures shows a triangle inside a rectangle?
A.
C.
B.
D.
Correct Answer : C
Class 9 | Science
Nuclear power plants can produce energy more cheaply and with less pollution than
thermal power plants. Why are there not more nuclear power plants than thermal
power plants?
A. There is an endless supply of fossil fuels like coal available.
B. Nuclear fuels produce too little heat during the nuclear fission reaction
C. A kilogram of fossil fuel produces more energy than a kilogram of nuclear fuel.
D. The issue of disposal of radioactive nuclear waste is not satisfactorily resolved.
Yesterday's Question | Class 9 | Maths
Mr. Malkani owns a hotel with exactly 100 rooms. The first room is numbered as 1,
the second one as 2 and so on. However, being a superstitious man, he has taken
care that no room in his hotel bears the number 13 or any of its multiples.
What is the room number of the 100th room in the hotel?
A. 87
C. 107
B. 100
D. 108
Correct Answer : D
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Class 4 | Science
Sushmita has learnt in class that plants lose water through their leaves. This is
called transpiration. What experiment can she set up to test if this is true?
A. Tie a wet plastic bag around the whole plant.
B. Tie a dry plastic bag around some of the leaves.
C. Tie a wet plastic bag around some of the leaves.
D. Tie a dry plastic bag around the whole plant.
Yesterday's Question | Class 4 | Maths
There are three people in a room. If they cut an apple into 3 equal pieces and take 1
piece each, each has eaten what part of the apple?
A. 1
C. Half
B. One-third.
D. one-fourth
Correct Answer : B
Class 5 | Science
When this caterpillar becomes an adult, what will it look like?
Yesterday's Question | Class 5 | Maths
Which number should come in place of ?
A. 1
C. 3
B. 2
D. 7
Correct Answer : D
Class 6 | Science
Plants absorb sunlight to make their food. What is the energy conversion that takes
place here?
A. Heat energy changes to solar energy.
B. Solar energy changes to heat energy.
C. Solar energy changes to chemical energy.
D. Heat energy changes to chemical energy.
Yesterday's Question | Class 6 | Maths
Ramdin has a buffalo, a dog and a donkey.The donkey's weight is 0. 25 times that
of the buffalo.The dog weighs 20 kg less than the donkey.
If the buffalo weighs 240 kg, the dog's weight is
A. 280 kg
C. 40 kg
Correct Answer : C
B. 60 kg
D. 30 kg
Class 7 | Science
Each molecule of a compound has 2 nitrogen atoms and 5 oxygen atoms. Nitrogen
has a symbol N and oxygen has a symbol O. Then the chemical formula of the
compound is
A. N5O2
B. NO5
C. N2O5
D. N2O
Yesterday's Question | Class 7 | Maths
The structure shown here is made of some objects and sticks which are almost
weightless. It is hanging from O and each level is balanced exactly, as shown. If
weighs 30 grams, then weighs:
A. 60 grams
C. 15 grams
B. 30 grams
D. 22. 5 grams
Correct Answer : C
Class 8 | Science
Four school bags of the same size and dimensions but with different strap sizes are
available. Among these, the strap offering the most comfort while carrying the bag
would be
A. a 2 cm wide strap
B. a 3 cm wide strap
C. a 4 cm wide strap
D. a 5 cm wide strap
Yesterday's Question | Class 8 | Maths
A tree sheds 15% of its leaves in a week and 10% of the remaining leaves in the
next week. What percentage of the original number of leaves are on the tree then?
A. 75%
C. 76. 50%
B. 23. 50%
D. 74. 50%
Correct Answer : C
Class 3 | Science
Anu takes equal amounts of rice in two vessels
and pours the same amount of water in each of
them. She then puts them both on the stove for
the rice to cook.
She wants to check whether rice cooks faster in
salt water or in plain water. What else should she
do to check this before turning the stove on?
A. mix salt in both the vessels
B. mix salt in only one of the vessels
C. add more water to both the vessels
D. add more water to only one of the vessels
Correct Answer : C
Class 9 | Science
Nuclear power plants can produce energy more
cheaply and with less pollution than thermal power
plants. Why are there not more nuclear power
plants than thermal power plants?
A. There is an endless supply of fossil fuels like
coal available.
B. Nuclear fuels produce too little heat during the
nuclear fission reaction
C. A kilogram of fossil fuel produces more energy
than a kilogram of nuclear fuel.
D. The issue of disposal of radioactive nuclear
waste is not satisfactorily resolved.
Class 4 | Science
Sushmita has learnt in class that plants lose water
through their leaves. This is called transpiration.
What experiment can she set up to test if this is
true?
A. Tie a wet plastic bag around the whole plant.
B. Tie a dry plastic bag around some of the
leaves.
C. Tie a wet plastic bag around some of the
leaves.
D. Tie a dry plastic bag around the whole plant.
Class 5 | Science
When this caterpillar becomes an adult, what will it
look like?
Class 6 | Science
Plants absorb sunlight to make their food. What is
the energy conversion that takes place here?
A. Heat energy changes to solar energy.
B. Solar energy changes to heat energy.
C. Solar energy changes to chemical energy.
D. Heat energy changes to chemical energy.
Correct Answer : C
Class 7 | Science
Each molecule of a compound has 2 nitrogen
atoms and 5 oxygen atoms. Nitrogen has a
symbol N and oxygen has a symbol O. Then the
chemical formula of the compound is
A. N5O2
B. NO5
C. N2O5
D. N2O
Correct Answer : C