Question
IndiGo becomes the first airline in Asia to land its
aircraft using the indigenous navigation system.What is the name of the navigation system?Solution
 IndiGo becomes the first airline in Asia to land its aircraft using the indigenous navigation system GAGAN, with Localiser Performance with Vertical Guidance (LPV) approach.  India becomes the third country in the world to have their own SBAS system after the USA and Japan.
If 6 is to 216 as 2 is to:
Two numbers add up to 18, and the sum of their reciprocals is 5/2. Calculate the square of the product of the two numbers.
- Find the remainder when

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If a cube of a number is subtracted from (153)², the number so obtained is 1457, Find the number.
Sum of two digits of a two digit number is 11. When digits of the number are reversed then number formed is 45 more than the original number. Find the ...
A student had to find 5/12 of a certain number, but he mistakenly calculated 3/4 of that number. His answer turned out 90 more than the correct value. ...
What is the unit digit of (217)413 × (819)547 × (414)624 × (342)812?
- A two-digit number '8d' is completely divisible by '4'. When the same number is divided by '3', there is a remainder of '1'. Find the value of 'd'.
What is the smallest four-digit number that can be evenly divided by 20, 24, and 36?