Find the compound ratio of 4 : 5, 2 : 3 and 6 : 7 is
16 : 35
4 : 5
19 : 16
None
NA
If 3A = 5B = 6C, Find A : C
2 : 1
1 : 2
1 : 3
3 : 4
NA
Eight people are planning to share equally the cost of the rental car. If one person withdraws from the arrangement and the others share equally entire cost of the car, then the share of each of the remainingpersons increased by.
1/7
1/6
3/7
1/15
NA
A bag contains Rs. 187 in the form of 1 Rupee, 50 paise and 10 paise coinsin the ratio 3 : 4 : 5. Find the number of each type of coins.
102, 136, 170
102, 145, 160
90, 100, 110
170, 102, 150
NA
A, B and C are three cities. The ratio of average temperature between A and B is 11 : 12 and that between A and C is 9 : 8. The taio between the average temperature of B and C is.
11 : 12
27 : 34
27 : 22
2 : 3
NA
Rs. 407 are to be divide among A, B and C so that their shares are in the ratio 1/4 : 1/5 : 1/6. The respective shares of A, B and C are (in Rs.)
155, 142, 110
165, 132, 110
165, 90, 152
110, 132, 165
NA
The Income of A and B are in the ratio 3 : 2 and their expenditure are in the ratio of 5 : 3. if each saves Rs. 1500, then B's income is Rs.
1600
6000
5600
35000
NA
If 2y - 2y-1 = 4, Find Yy
3
9
27
216
NA
The ages of two persons are in the ratio 5 : 7. Eighteen years ago their ages were in the ratio of 8 : 13, their present ages (in years) are
50, 70
70,50
50, 60
30, 70
NA
log144 is equal to
2log4 + 3log2
4log2 + 3log2
3log3 - 4log2
4log2 + 2log3
NA
If log2 [log3 (log2 x)] = 1, then x is equal to
128
256
512
64
NA
If X = 31/3 + 3-1/3 then find the value of 3x3 - 9x
9
3
15
10
NA
If log4 ( x2 + x ) - log4 (x + 1) = 2, find x
16
11
-3
-2
NA
If (2x). (3y). (5z) = 360, then what is the value of x, y, z
1, 2, 3
3, 2, 1
1, 3, 2
3, 3, 3
NA
If loga b + loga c = 0, then which one is true
b = c
b = 11
b = c = 1
bc = 1
NA
The students of two classes are in the ratio 5 : 7, if 10 students left from each class, the remaining students are in the ratio of 4 : 6 then the number of students in each class is
40, 60
30, 55
50, 70
25, 35
NA
The ratio compounded of 4 : 5 and sub - duplicate of "a":9 is 8 : 15. Then the value of "a" is
3
4
2
8
NA
Find two numbers such that mean proportional between them is 18 and third proportional between them is 144.
6, 24
9, 81
9, 36
7, 36
NA
If the salary of P is 25% lower than that of Q and the salary of R is 20% higher than that of Q, the ratio of the salary of R and P will be
5 : 8
7 : 3
3 : 5
8 : 5
NA
A person has assets worth Rs. 1,48,200. He wish to divide it amongst his wife, son and daughter in the ratio 1/2 :1/3 : 1/6 respectively. From the assets, the share of his son will be
Rs. 24,700
Rs. 49,400
Rs. 74,100
Rs. 47,900
NA
If x = log2412, y = log3624 Z = log4836 then the value of xyz + 1 =
2yz
2xy
xy
2xz
NA
If x2 + y2 = 7xy, then log{1/3(x + y)} is equal to
logx + logy
1/2(logx + logy)
1/3 (logx + logy)
log(xy)
NA
If 7x - 15y = 4x + y, find the value of (3x2 + 2y2)/(3x2 - 2y2)
131/125
134/65
2/3
3/4
NA
If 6 is the mean proportion between two numbers x and y and 48 is the third proportional to x and y, find the numbers.
3, 18
3,12
6,12
12,18
NA
Find the value x,
log2 x + log4 x + log16 x = 21/4
8
4
64
2
NA
If logx 25 - logx 5 + logx (1/125) = 2, find the value of x.
1
1/2
5
1/5
NA
If (loga)/(b - c) = (logb)/(c - a) = (logc)/ (a - b)
find the value of aa.bb.cc
2
3
1
4
NA