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Browse complete papersRatio of speed of boat in still water and speed of stream is 7:2. Boat cover 120 km upstream in 8 hours and x km in 3 hours downstream. Find the value of x?
81
84
96
88
64
Correct answer
81
Average employee in office A, B, C, and D is 40 and average employee of office B, C, D, and E is 37. If number of employees in office E is 30. Find the average employee in office A and E?
42
45
39
36
37
Correct answer
42
A and B together complete a work in 24 days, A alone complete the work in 60 days. C takes 10 days less than the B takes to complete the work alone. Find the time taken by A, B and C together to complete 3/4th part of the work?
18
20
15
12
10
Correct answer
18
In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
l. x2 – 50x + 225 = 0
ll. y2 + 32y – 105 = 0
x > y
y > x
x ≥ y
y ≥ x
x = 0 or relationship between x and y can't be established
Correct answer
x > y
In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
l. 2x2 – 19x + 45 = 0
ll. 3y2 – 17y + 20 = 0
x > y
y > x
x ≥ y
y ≥ x
x = y or relationship between x and y can not be established
Correct answer
x > y
Solve the given quadratic equations and establish the relation between them.
I: 3x2 – 12x + 9 = 0
II : 4y2 + 80y + 256 = 0
x > y
x < y
x ≥ y
x ≤ y
x = y, or relation cannot be established
Correct answer
x > y
In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
l. 2x2 + 23x + 56 = 0
ll. 12y2 + 41y + 35 = 0
x > y
y > x
x ≥ y
y ≥ x
x = y or relationship between x and y can not be established
Correct answer
x > y
Rs. 6400 invest in two schemes. First part gives 12% rate of interest and second part gives 20% rate of interest. Total interest after 2 years is Rs. 2176. Find the amount invest at 12% rate interest?
Rs. 2400
Rs. 3000
Rs. 4000
Rs. 3400
Rs. 4400
Correct answer
Rs. 2400
In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
I. 4x2 + 56x – 60 = 0
II. 2y2 + 28y – 240 = 0
if x > y
if x ≥ y
if x < y
if x ≤ y
if x = y or the relationship cannot be established.
Correct answer
if x > y
A certain sum P when invested for four years at the rate of 15% p.a. simple interest, amounts to Rs. 26240. What will be the interest earned when (P + 1600) is invested at the same rate of simple interest p.a. for four years?
Rs. 10000
Rs. 10800
Rs. 9850
Rs. 12800
Rs. 10280
Correct answer
Rs. 10000