Question
A boy goes to school with a speed of 45 km/h and comes
back with a speed of 30 km/h. find his average speed?Solution
Since the distance travelled by a boy (going to school and coming back from school) is equal. So, average speed = 2xy/(x + y) Average speed = (2 x 45 x 30)/(45 + 30) Average speed = (2 x 45 x 30)/75 = 36 km/hr
In a certain code language, 'BEST' is coded as '9715' and 'CLUB' is coded as '8762'.
What is the code for 'B' in the given code language?
Select the figure from among the given options that can replace the question mark (?) in the following series and complete the pattern.
Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly ...
In a certain code language, 'TORQUE' is written as '40-30-36-34-42-10' and 'CLAN' is written as '6-24-2-28'. How will 'FRIDAY' be written in that code l...
What should come in place of the question mark (?) in the given series?
22, 24, 28, 30, 34, ?
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
NIE, QLH, TOK, WRN, ...
‘Army’ is related to ‘Soldier’ in the same way as ‘School’ is related to which of the following?
If '+' means ×, '–' means ÷, '×' means + and '÷' means –, compute the value of the expression:
45 – 9 + 4 × 5
...In the following question, four letter pairs are given. The letters on left side of (–) is related to the letters on the right side of (–) with some...
What should come in place of the question mark (?) in the given series based on the English alphabetical order?
WSF, BUK ,GWP ,LYU, ?
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