1 . 
The ratio of the number of students studying in schools A, B and C is 5 : 8 : 4 respectively. If the number of students studying in each of the schools in increased by 20%, 25% and 30% respectively, what will be the new respective ratio of the students in school A, B, and C? 

Answer & Explanation
Answer : Option
C


Explanation : 

Let students in scholls are 5x, 8x and 4x respectively
After increasing, No.of students in shcool A = 5x $\times$ $120 \over 100$ = 6x
No.of students in school B = 8x $\times$ $125 \over 100$ = 10x
No.of students in school C = 4x $\times$ $130 \over 100$ = $26 \over 5$x
Required New Ratio = 6x : 10x : $26 x \over 5$ = 15 : 25 : 13 





2 . 
Karan starts a business by investing Rs. 60000. 6 months later, Shirish joins him by investing Rs. 100000. At the end of one year, from the commencement of the business, they earn a profit of Rs. 151800. What is Shirish's share of the profit? 

Answer & Explanation
Answer : Option
E


Explanation : 

Ratio of their investment Karan : Shirish = 12 x 60000 : 6 x 100000 = 6 : 5
Profit share of shirish = $5 \over 5 + 6$ $\times$ 151800 = 5 x 13800 = 69000 





3 . 
8 men can complete a piece of work in 4 days. 12 women can complete the same piece of work in 4 days, whereas 8 children can complete the same piece of work in 8 days. 2 men, 8 children and 3 women work together for 2 days. If only women were to finish the remaining work in 2 days, howmany total women would be required? 

Answer & Explanation
Answer : Option
A


Explanation : 







4 . 
Excluding the stoppages, the speed of a bus is 64 km/hr and including the stoppages, the speed of the bus is 48 km/hr. For how many minutes does the bus stop per hour? 

Answer & Explanation
Answer : Option
B


Explanation : 

Since, Due to stoppages, in one hour, it covers [64  48 = 16 km] less deistance
Time taken to cover 16 km = $distance \over speed$ = $16 \over 64$ hour
= $16 \over 64$ $\times$ 60 minutes = 15 min 





5 . 
Mr. Sinha invests 12% of his monthly salary, i.e., Rs. 3660 in Insurance Policies. Later he invests 16% of his monthly salary on Family Mediclaim Policies; also he invests another 3% of his salary on NSCs. What is the total annual amount invested by Mr. Sinha? 

Answer & Explanation
Answer : Option
A


Explanation : 

Total salary of Mr. Sinha = 3660 $\times$ $100 \over 12$ = 30500 Rs.
Amount invested by Mr. Sinha = 3660 + $16 \times 30500 \over 100$ + $3 \times 30500 \over 100$
= 3660 + 4880 + 915 = 9455 Rs.
total annual investment = 12 $\times$ 9455 Rs. 





6 . 
Asmita invests an amount of Rs. 9535 at the rate of 4 per cent per annum to obtain a total amount of Rs. 11442 on simple interest after a certain period. For how many years did she invest the amount to obtain the total sum? 

Answer & Explanation
Answer : Option
C


Explanation : 

SI = $9535 \times 4 \times time \over 100$
= $11442  9535 $\times$ 100 \over 9535 $\times$ 4$ = time
Time = $1907 \times 100 \over 9535 \times 4$ = 5 years 





7 . 
What will be the area (in square metre) of 1.5 m wide garden developed around all the four sides of a rectangular field having area equal to 300 sq m and breadth equal to three fourths of the length? 

Answer & Explanation
Answer : Option
B


Explanation : 







8 . 
The length of a rectangular floor is twice of its breadth. If Rs. 256 is required to paint the floor at the rate of Rs. 2 per square meters, then what would be the length of floor? 

Answer & Explanation
Answer : Option
A


Explanation : 







9 . 
In the following number series only one number is wrong. Find out the wrong number 7, 56, 442, 3089, 18532, 92647, 370586 

Answer & Explanation
Answer : Option
C


Explanation : 







10 . 
In the following number series only one number is wrong. Find out the wrong number 8000, 3200, 1280, 512, 204.8, 84.92, 32.768 

Answer & Explanation
Answer : Option
B


Explanation : 







