Five times an unknown number is 5 less than 50.The unknown number

Manju is ranked 14th from the top and 27th from the bottom among those who passed an examination.Six girls did not participate in the examination and five failed. How many students are in the examination and five failed. How many students are in the class?

Two runers, Gopal and John running round a circular track complete one round each in 7 minutes and 14 minutes respectively. They start at the same time. During the first 30 minutes how many times Gopal crossed John on the trade?

How many two digit numbers satisfy the property ‘‘The unit digit is the square of the ten’s digit?

One of the following words does not belong to the set:

Happiness, Quickness, Affection, Hatred :

പ്രഭയ്ക്ക് 90 മീറ്റര്‍ 2 മിനിട്ടു കൊണ്ട് നടക്കാന്‍ സാധിക്കുമെങ്കില്‍ 225 മീറ്റര്‍ നടക്കാന്‍ എന്തു സമയമെടുക്കും?