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Time taken by Nikhil to complete the whole work alone = 18/0.25 = 72 days Let the total work = 72 units Efficiency of (Akhil + Nikhil) = 72/12 = 6 units/day Efficiency of Nikhil = 72/72 = 1 units/day Efficiency of Akhil = 6 - 1 = 5 units/day Therefore efficiency of Sachin = 1.20 x 5 = 6 units/day Time taken by Sachin to complete the whole work alone = 72/6 = 12 days
A paper is folded at the dotted lines as shown in the first two figures. and cut as shown in the third figure How will it appear when unfolded?
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If ‘OPTIONAL’ is written as ‘ITPOLANO’ how is ‘PRACTICE’ written is that code?
Select the option that is related to the third word in the same way as the second word is related to the first word.
(The words must be considere...
Which is the correct alternative for X?
Aeroplane: Cockpit :: Train : X
Select the correct option that indicates the arrangement of the following words in a logical and meaningful order.
1. Senior secondary school
...A 200 m long train at the speed of 60 km/h crosses another train as fast as twice the speed of first and running in opposite direction in 10 sec. Find t...
A, B, C, D, E, F and G are sitting around a circular table, facing the centre. Only one person sits between F and C when counted from the left of C. B s...
Select the term from among the given options that can replace the question mark (?) in the following series.
D4W, G5T, K9P, ?, S23H, V37E
If BARK is coded as 2-1-18-11, then what is the code for WEAP?