Directions(1-5): Find the missing term of the following series.
- 23,38,68,113,?,248
180165173184170Option C
+15*1
+15*2
+15*3
+15*4
+15*5
? = 173 - 250,249,241,214,?,25
150851007792Option A
-1^3
-2^3
-3^3
-4^3
-5^3
? = 150 - 140,150,170,210,290,?
400225200330450Option E
+10
+20
+40
+80
+160
? = 450 - 472.5, ?,105,60,40,32
188195155175210Option E
/2.25
/2
/1.75
/1.5
/1.25
? = 210 - 33,34,70,213,856,?
45204285440040054440Option B
*1+1
*2+2
*3+3
*4+4
*5+5
? = 4285 - Find the length of the diagonal of a square having area 32 cm^2 more than the area of a circle of radius 14 cm.
3052504436Option E
Area of circle = pi* r*r = 22/7*14*14 = 616 cm^2
Area of square = 616 + 32 = 648 cm^2
Diagonal^2/2 = 648
Diagonal = 36 cm - The time taken by A and B together to complete the work is 36/5 days. If A is 50% efficient than B, find the time taken by A alone to complete twice the given work.
2915241220Option C
Let the time taken by B alone to complete the work be x. Time taken by A alone to complete the work = 2x/3 days
1/x + 1/(2x/3) = 5/36
=> x = 18 days
Time taken by A to complete the work = (18*2)/3 = 12 days
Required number of days = 12*2 = 24 days - By selling a cycle for Rs. 1500, shopkeeper’s loss was equal to (1/6)th of the cost price of cycle. At what price should he sell it to earn a profit of 25%?
Rs. 2000Rs. 2250Rs. 2550Rs. 2200Rs. 2050Option B
x/6 = x – 1500
=> x = 1800
Required SP = 1.25*1800 = Rs. 2250 - Tap A and B individually fill a tank in (3x+3) and (4x+2) resp. If Tap A is 20% more efficient than Tap B, then find the time taken by Tap A to fill (3/5)th of the tank.
10 hours6 hours8 hours7 hours9 hoursOption E
(3x+3)*1.2 = (4x+2)
=> x = 4
Time taken by A tap to fill the tank = (3*4+3) = 15 hours
Time taken by A tap to fill (3/5)th of the tank = 3/5*15 = 9 hours - A bag contains 12 black balls and 8 white balls. If x grey balls are added to the bag, then the probability of choosing a black ball decreased by 0.1 with respect to the probability of choosing a black ball from the bag when the grey balls were not added. Find the value of x.
46532Option A
Initially black balls in the bag
= 12/(12+8)
= 0.6
Probability of choosing a black ball after addition of x grey balls = 0.6- 0.1 = 0.5
12/(12+8+x) = 0.5
=> x = 4
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You definitely know what youre talking about, why throw away your intelligence on just posting videos
to your blog when you could be giving us something enlightening to read?