A was travelling from point X to point Y. He increased his speed by 14 km/h after every hour. He reached his destination in 18 hours. If his initial speed was 20 km/h, then what was his average speed in the whole journey?
Total distance travelled by A = (18/2) × {2 × 20 + (18 – 1) × 14} = 14 × (40 + 238) = 2502 km Required average speed = 2502/18 = 139 km/h
If GRIND = TIRMW, then NEPAL =
In a certain code language, LARGE is coded as 50 and BITE is coded as 43. How will DREAMS be coded in that language?
If 20 + 8 * 5 = e, then find the value of e < 2 > 4.
Which of the following is the code for " teach lesson "?
In a certain code, 'MANGO' is coded as ‘250’. Then how will ' ORANGE ' be written in that code?
What is the code for ‘You’?
In a certain code language ‘TURBO’ is written as ‘VURPC’ and ‘BLACK’ is written as ‘MCALD’. How is &lsqu...
In a certain code DRESS; is written as 32544; and SUNSET is written as 416459. How will you write TENSED in that code?
What may be the code for “years five”?
If G = 7 and SOUR = 73, then YEAR = ?
