Age problem

If x/2 years ago John was 12 years old, and x/2 years from now he will be 2x years old, what will be his age 3x years from now?
1 Replied

Logarithm

Prove that: log base 16 (XY) = 1/2 log base 4 (X) + 1/2 log base 4 (Y) Include the logarithmic rules used to prove the statement.
1 Replied

Word problem

A garrison of 120 men is provisioned for 24 weeks at 350 gm per day per man. How many men must leave so that the same provision may last...
1 Replied

Logic Time

There was war in a certain village and a man, his wife and two sons were trying to cross to the other side of the river so that they...
1 Replied

Exponential

Question source : Facebook que source ( × 10 to power 3)÷(7×10 to the power of-3) -5×10 to the power of-4 + × 10to power of-3 Evaluate the answer...
1 Replied

SCIENCE

Which one of the metal is liquid at normal temperature- a) zinc b) mercury c) sodium d) water
1 Replied

SCIENCE

The least distance of distinct vision for a young adult with normal vision is about a) 25 m b) cm  c) 25 cm d) m
1 Replied

science

The far point of a myopic person is 80 cm in front of the eye . What is the nature and power of the lens required to correct the...
1 Replied

science

The change in focal length of an eye lens is caused by the action of  A) Retina B) Iris C) Pupil D) Ciliary muscles
1 Replied

science

The human eye forms the image of an object at its a) C0rnea                   b) iris          ...
1 Replied

Probability

A box contains 20 balls out of which 12 are red and 8 are green . 5 balls are randomly drawn from the box with replacement . What is...
1 Replied
Skip to toolbar