Question
A was travelling from point X to point Y. He increased
his speed by 18 km/h after every hour. He reached his destination in 20 hours. If his initial speed was 50 km/h, then what was his average speed in the whole journey?Solution
Total distance travelled by A = (20/2) × {2 × 50 + (20 – 1) × 18} = 10 × (100 + 342) = 4420 km Required average speed = 4420/20 = 221 km/h
P is the father of S, whose mother is Q. R is the sister of Q. What does P's father-in-law have to relate to R's husband?
In this question, two statements I and II have been given. These statements may be independent causes or effects of independent causes or a common caus...
A% B means 'A is the daughter of B'
A = B means 'A is the sister of B'
A $ B means 'A is the father of B'
If X% Y = Z% W $ V, then how is Z related to V?
In a code language, 'PALM' is coded as 16-1-12-13 and 'HEAD' is coded as 8-5-1-4. How will 'NECK' be coded in the same language?
How many triangles are there in the given figure?
Eight friends are sitting around a square table, four at the corners and four in the middle of the four sides, facing the centre. Isheen is an immediate...
Seven boxes K, L, M, S, T, U and V are kept one over the other but not necessarily in the same order. T is kept immediately above K. V is kept immediate...
Which answer figure will complete the pattern in the question figure? (rotation is not allowed)
In a certain code language, CLOCK is written as KCOLC. When RAMESHA is written as in that code language, what will be the first and last letters of tha...
8 is related to 40 following a certain logic. Following the same logic, 3 is related to 15. To which of the following is 52 related to, following the sa...
Relevant for Exams:
