Start learning 50% faster. Sign in now
Given, △ PQR ∼△ DEF ⇒ PQ/DE = QR/EF = RP/FD Since, PQ/DE = QR/EF ⇒ 4/DE = 3/9 ⇒ DE = 12 cm Similarly, QR/EF = RP/FD ⇒ 3/9 = 3.5/FD ⇒ FD = 10.5 cm ∴ Perimeter of △ DEF = DE + EF + FD = 12 + 9 + 10.5 = 31.5 cm
The Prime Minister does not act as the chairman for which of the following committees?
Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1. The orbit is g...
In case of miscarriage or medical termination of pregnancy, a woman is entitled to how many weeks of leave with pay?
 Which of the following will turn blue litmus red ?
Let n (>1) be a composite natural number whose square root is not an integer.
Consider the following statements:
1. n has a factor wh...
What is the purpose of a compiler in programming?
The principle that suggests recording expenses only when they are realized, and income only when they are certain, is known as:
Who among the following was a great protagonist of the 'Doctrine of Lapse'?
Select the odd number from the given alternatives.
A boat's speed is 13.5 km/h when moving against the current and 18.3 km/h when moving along with the current. Determine the speed of the stream.