Question : Sister can bake 50 cakes in 25 hours, and Sister and Mummy together can bake 75 cakes in 15 hours. Mummy can bake in 15 hours?
Option 1: 25
Option 2: 45
Option 3: 20
Option 4: 10
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Correct Answer: 45
Solution : Time taken to bake 50 cakes by sister = 25 hours Time taken to bake 75 cakes by mother and sister = 15 hours The number of cakes Sister can bake in 1 hour = $\frac{50}{25}$ = 2 The number of cakes Sister and Mummy can bake in 1 hour = $\frac{75}{15}$ = 5 The number of cakes Mummy can bake in 1 hour = 5 – 2 = 3 The number of cakes Mummy can bake in 15 hours = 3 × 15 = 45 Hence, the correct answer is 45.
Candidates can download this e-book to give a boost to thier preparation.
Application | Eligibility | Admit Card | Answer Key | Preparation Tips | Result | Cutoff
Question : Sister can bake 50 cakes in 25 hours, and Sister and Mummy together can bake 75 cakes in 15 hours. How many cakes Mummy can bake in 15 hours?
Question : Akka can bake 100 cakes in 20 hours. Akka and Tai together can bake 75 cakes in 10 hours. How many cakes Tai can bake in 20 hours?
Option 2: 50
Option 3: 30
Option 4: 75
Question : Aditya can complete a grill painting job in 20 hours, while Vinay can complete the same work in 15 hours. If Aditya and Vinay both work together, then in how many hours will the painting work be completed?
Option 1: $10 \frac{2}{3}$ hours
Option 2: $10$ hours
Option 3: $12$ hours
Option 4: $8 \frac{4}{7}$ hours
Question : The quotient when $10^{100}$ is divided by $5^{75}$ is:
Option 1: $2^{25}×10^{75}$
Option 2: $10^{25}$
Option 3: $2^{75}$
Option 4: $2^{75}×10^{25}$
Question : P can fill a tank in 5 hours, and Q can fill the same tank in 10 hours. R can empty the same tank in 20 hours. How much time will all the three take together to fill the same tank?
Option 1: 10 hours
Option 2: 4 hours
Option 3: 6 hours
Option 4: 5 hours
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile