numerical ability question



1. A salesman marks an item 60% above the cost price & offers 2 successive discounts of 25% & 15% on the marked price. His profit is:
a. 15% b 2% c 7.5% d. 10 e. none
2.Had it been sold at 55% loss, SP would have been Rs. 10.80. The C.P is;
a. Rs 26 b. 28 c. 36 d.24 e. none
3. If 18 men can build a wall 140 mtrs. In 42 days . In how many days can 15 men be able to construct a similar wall 100 mtrs . long??
a. 36 b. 60 c. 60 d. 33 e. none
4. Successive discounts of 15% & 20% on any goods amount to a total discount of :
a. 50 % b. 35% c, 34% d.32 % e.none
5. In a km race A beats B by 40 m or 7 secs. A’s time (in secs) over the cource is:
a.180
b. 280
c. 168
d. 175
e. none
7. A widow & a son are to receive Rs 20000 and Rs 10,000 respectively frm inheritance of Rs. 70,000. The rest is 2 be divide so that the widow recives 3/2 times as much of it as the son. Then the amnt received by (widow,son) pei9r in thousands of rs. Is:
a. (44,26)
b. 42,28
c. 40,30
d. 45,30
e. none
8.the demand for a commodity linearly decreases by 0.5 unit for each unit increase in price & it vanishes when the price is set at 60 . The supply of the commodity vanishes when the price is set at 25 & equals the square root of the price in excess of this threshold price. Then the equilibrium at which the supply coincides with the demand is:
a. 45
b. 50
c. 55
d. 62+/-3 under-root86
e. none
9. gre type column questions:
area of triangle pqs is 45:
PQ=12 P
QR=20
Col. A : length of segment PS
COL. B: Length of SR
a. if A is greater
b. if B is greater
c. if both equal
d. d. can’t determined
10.Col. A: (0.82)^2(0.82)^3
Col. B: (0.82)^6
11. t is a positive integer
4/7 = t/s
Col. A: s
Col. B: 7
12. Col. A 1-1/27
Col. B: 8/9+1/81
13…. 14. these types simple (-0.64)^4 & (-0.6)^3
15…16
M/c A produces x units of output per hour, while m/c B produces x units of output every 1.5 hrs.
17. How many hrs. does it take 2 produce x units of o/p , with both m/cs A &B working together??
a. (4x +!)/4x
b. 5/4
c. 3/(5x)
d. 3/5
18. 4 more m/cs are installed with their capacities lying betn those of m/cs A & B . Wchi of the following ca’t be the average no. opf hrs. per m/c for producing x units of output?
a. 1.05
b. 1.15
c. 1.25
d. 1.35
Problem Solving (19-21)
19. if 00
b. s<-1 & t<-1 c. s>-1& t<-1 d. s>1 & t<-1 e. s>1 & t>1
20. To reproduce an old photograph , a photographer charges x dollars to make negative , 3x/5 dollars for each of the first 10 prints, & x/5 dollars for each print in excess of 10 prints . If $45 is the total charge to make a negative & 20 prints from an old photograph, what is the value sof x?
a. 3
b. 3,5
c. 4
d. 4.5
e. 5
21. A certain cake reciope states that the cake shud be baked ina pan 8 inches in diameter . If Jules want to make a cake of the same depth but 12 inches in diameter , by what factor shud he multiply the recipe ingredients?
a. 2 & half
b. 2 & one-fourth
c. 1 & half
d. 1 & 4/9
e. 1 & a/3
Data interpretation 22…28