Question
A boat can cover 150 km in downstream in 5 hours and 121
km in upstream in 11 hours. Find the speed of boat in still water.Solution
Downstream speed of the boat = 150/5 = 30 km/hr Upstream speed of the boat = 121/11 = 11 km/hr Speed of boat in still water = (11 + 30)/2 = 20.5 km/hr
If the expression ‘S * O % Q @ P, S & N @ M and L # M’ are true, then how is L’s only niece related to the person married to P?
Which among the following words cannot be formed using the letters of the given word only once?
EXAGGERATE
Two statements are given below and they are labelled as Assertion (A) and Reason (R).
Assertion (A): River Narmada flows eastward.
Reason ...
What is the code for ‘not’?
I. In a certain code language, code for ‘blanket on bed’ is ‘gum chum shum’ and t...
What is the position of J with respect to J’s wife?
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is relate...
Find the odd one out.
Kavya ranks 18th from the top and 23rd from the bottom in an examination. How many students are there in the class?
Find which one of the given words can be made from the letters of the given word.
‘ RESPONSIVENESS ’
...In a certain code language, ‘athlete had taken’ is coded as ‘ht, ku, wh’, ‘treatment had recovered’ is coded as ‘ms, kr, ht’, ‘recover...