Time and Work

Time and Work

Easy Questions
Moderate Questions
Difficult Questions
Time and Work Tutorial

Aptitude

Number System
Simplification
Fractions
Elementary Algebra
LCM and HCF
Average
Approximation
Unitary Method
Linear Equation
Quadratic Equation
Discount
Surds and Indices
Percentage
Square root and cube root
Order of Magnitude
Profit and Loss
Odd Man Out and Series
Work and Wages
Algebra
Stocks and Shares
True Discount
Ratio, Proportion
Partnership
Alligation or Mixture
Time and Work
Pipes and Cistern
Speed, Time and Distance
Problem on Trains
Height and Distance
Banker's Discount
Boats and Streams
Races and games
Problems on Ages
Clocks and Calendars
Simple interest
Compound Interest
Sets and Functions
Area and Perimeter
Volume and Surface Area of Solid Figures
Sequences and Series
Plane Geometry
Logarithm
Probability
Permutation and Combination
Statistics
Mensuration
Trigonometry
Aptitude miscellaneous
  1. If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days ?








  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    NA

  1. A school has 8 periods of 45 minutes each, everyday. How long will each period be if the school has to have 9 periods everyday, assuming the working hours to be the same?








  1. View Hint View Answer Discuss in Forum

    Total working time of school
    = (45 × 8) minutes
    = 360 minutes
    If 9 periods are held per day,
    Working time of each period

    Correct Option: A

    Total working time of school
    = (45 × 8) minutes
    = 360 minutes
    If 9 periods are held per day,
    Working time of each period

  1. A canteen requires 56 kg of rice for seven days . The quantity of rice required for the months of April and May together is :








  1. View Hint View Answer Discuss in Forum

    Number of days in April and
    May = 30 + 31 = 61
    ∵ Requirement of rice for 7 days = 56 kg.
    ∴ Requirement of rice for 61 days

    =
    56
    		× 61kg. = 488 kg.
    7

    Correct Option: B

    Number of days in April and
    May = 30 + 31 = 61
    ∵ Requirement of rice for 7 days = 56 kg.
    ∴ Requirement of rice for 61 days

    =
    56
    		× 61kg. = 488 kg.
    7

  1. 36 men together can build a wall 140 m long in 21 days. The number of men working at the same rate required to build the same wall in 14 days is








  1. View Hint View Answer Discuss in Forum

    Here, the length of wall is
    same in both cases.
    ∴ M1D1 = M2D2
    ⇒ 36 × 21 = M2 × 14

    ⇒ M2 =
    36 × 21
    		 = 54 days
    14

    Correct Option: A

    Here, the length of wall is
    same in both cases.
    ∴ M1D1 = M2D2
    ⇒ 36 × 21 = M2 × 14

    ⇒ M2 =
    36 × 21
    		 = 54 days
    14

  1. The four walls and ceiling of a room of length 25 m, breadth 12 m and height 10 m are to be painted. Painter A can paint 200 m2 in 5 days, Painter B can paint 250 m2 in 2 days. If A and B work together, they will finish the job in








  1. View Hint View Answer Discuss in Forum

    Area of the four walls and ceiling of the room
    = 2h (l + b) + lb
    = 2 × 10 (25 + 12) + 25 × 12
    = (20 × 37 + 300) sq. metre
    = (740 + 300) sq. metre
    = 1040 sq. metre
    Area painted by A in 1 day

    =
    200
    		= 40 sq. metre
    5

    Area painted by B in 1 day
    =
    250
    		= 125 sq. metre
    2

    Area painted by both in1 day
    = (125 + 40) sq. metre
    = 165 sq. metre
    ∴ Required time =
    1040
    165

    =
    208
    		= 6
    10
    		days
    3333

    Correct Option: B

    Area of the four walls and ceiling of the room
    = 2h (l + b) + lb
    = 2 × 10 (25 + 12) + 25 × 12
    = (20 × 37 + 300) sq. metre
    = (740 + 300) sq. metre
    = 1040 sq. metre
    Area painted by A in 1 day

    =
    200
    		= 40 sq. metre
    5

    Area painted by B in 1 day
    =
    250
    		= 125 sq. metre
    2

    Area painted by both in1 day
    = (125 + 40) sq. metre
    = 165 sq. metre
    ∴ Required time =
    1040
    165

    =
    208
    		= 6
    10
    		days
    3333