Rajeev appeared in an entrance test consisting of 50 multiple choice questions. He got 4 marks for each
correct answer, lost 1 mark for each wrong answer
and got no mark for skipped questions. He skipped 7
questions and scored 92 marks. How many questions
did he answer correctly?
Please give us solution how to solve it..
Ms Sangeeta's class went on a nature walk. They kept a record of all the things they
saw. At the end of the day, they had seen thirteen different kinds of trees, twenty one
kinds of flowers, seven rabbits, thirty two elephants and twelve squirrels. How many
animals did the class see on their walk?
Neha walks 272 m from her home to the park and then runs 1 km 300 m in the park. She
travels the same way on her return back home from the park. What is the total distance
travelled by Neha?
A 1772 m
B 1844 m
C 2144 m
D 2372 m
how is that
The ratio of the numerator and denominator of a fraction is 3 : 4. If the numerator is increased by 15 and the denominator is decreased by 16, then the ratio becomes 9 : 11. Find the fraction.
If E is an event associated with an experiment, then
AP (E) > 1
B - 1 < P (E) < 1
C0 ≤ P (E) < 1
DNone of these
The probability of an event can be equal to 1 in case of a definite event, so the answer cannot be (C) as it does not include 1 in its bounds. Therefore, the answer must be (D)
Match the following.
|Column I||Column II|
|(i) 100 crores||(P) 1 thousand|
|(ii) 10 lakhs||(Q) 1 lakh|
|(iii) 100 thousands||(R) 1 billion|
|(iv) 100 tens||(S) 1 million|
A (i)→ (P), (ii) → (Q), (iii) → (S), (iv) → (R)
B (i)→ (R), (ii) → (S), (iii) → (P), (iv) → (Q)
C (i)→ (R), (ii) → (S), (iii) → (Q), (iv) → (P)
D (i)→ (P), (ii) → (S), (iii) → (Q), (iv) → (R)