1. If log 0.317=0.3332 and log 0.318=0.3364 then find log 0.319 =
a)0.3396
b)0.396
c)3.396
d)3.3396
The Correct Answer is: a)0.3396
Explanation:
Given log 0.317=0.3332 and log 0.318=0.3364
Then
Log 0.319=log0.318+ (log0.318-log0.317)
=0.3396
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2. A box of 150 packets consists of 1kg packets and 2kg packets. Total weight of box is 264kg. How many 2kg packets are there?
a)114
b)1.14
c)11.4
d)1124
The Correct Answer is: a)114
Explanation:
Given x= 2 kg Packs
y= 1 kg packs
=> x + y = 150 .......... Eqn 1
=> 2x + y = 264 .......... Eqn 2
On solving these two equations
x = 114
By using equation 1
114 + y = 150
=> y = 36
=>Number of 2 kg Packs = 114.
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3. My flight takes of at 2am from a place at 18N 10E and landed 10 Hrs later at a place with coordinates 36N70W. What is the local time when my plane landed?
a) 6:00 am
b) 6:40am
c) 7:40
d) 8:00
The Correct Answer is: d) 8:00
Explanation:
Hint: Every 1 deg longitude is equal to 4 minutes. If west to east add time else subtract time
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4. A Flight takes off at 2 A.M from northeast direction and travels for 11 hours to reach the destination, which is in northwest direction. Given the latitude and longitude of source and destination. Find the local time of destination when the flight reaches there?
a)7 AM (or) 1 PM
b)9 AM (or) 11 PM
c)1 AM (or) 7 PM
d)7 AM
The Correct Answer is: a)7 AM (or) 1 PM
Explanation:
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5. A moves 3 kms east from his starting point. He then travels 5 kms north. From that point he moves 8 kms to the east. How far is A from his starting point?
A)1.3 kms
b)13 kms
c)131 kms
d)13.9 kms
The Correct Answer is: b)13 kms
Explanation:
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6. A plane moves from 9°N40°E to 9°N40°W. If the plane starts at 10 am and takes 8 hours to reach the destination, find the local arrival time
a)20min
b)230min
c)320min
D)120min
The Correct Answer is: c)320min
Explanation:
Since it is moving from east to west longitude we need to add both
Ie, 40+40=80
Multiply the ans by 4
=>80*4=320min
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7. The size of the bucket is N kb. The bucket fills at the rate of 0.1 kb per millisecond. A programmer sends a program to receiver. There it waits for 10 milliseconds. And response will be back to programmer in 20 milliseconds. How much time the program takes to get a response back to the programmer, after it is sent
a)30ms
b)130ms
c)90ms
d)890ms
The Correct Answer is: a)30ms
Explanation:
The time being taken to fill the bucket.
After reaching program it waits there for 10ms and back to the programmer in
20 ms. then total time to get the response is
20ms +10 ms=30ms
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8. A fisherman's day is rated as good if he catches 9 fishes ,fair if 7 fishes and bad if 5 fishes .He catches 53 fishes in a week n had all good, fair n bad days in the week. So how many good, fair n bad days did the fisher man had in the week
a)17 days.
b)12 days.
c)17 days
d)7 days.
The Correct Answer is: d)7 days
Explanation:
good days means --- 9 fishes so 53/9=4(remainder=17) if u assume 5 then there is no chance for bad days.
fair days means ----- 7 fishes so remaining 17 --- 17/7=1(remainder=10) if u assume 2 then there is no chance for bad days.
bad days means -------5 fishes so remaining 10---10/5=2days.
4*9=36
7*1=7
2*5=10
36+7+10=53...
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9. Y catches 5 times more fishes than X. If total number of fishes caught by X and Y is 42, then number of fishes caught by X?
17,35
7,35
27,135
2,32
The Correct Answer is: 7,35
Explanation:
: let no. of fish x catches=p
No. caught by y =r
r=5p.
Given r+p=42
Then p=7, r=35
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10. The ratio of incomes of C and D is 3:4.the ratio of their expenditures is 4:5.Find the ratio of their savings if the savings of C is one fourths of his income?
a)112/119
b)11/19
c)12/16
d)12/19
The Correct Answer is: d)12/19
Explanation:
incomes: 3:4
Expenditures: 4:5
3x-4y=1/4(3x)
12x-16y=3x
9x=16y
y=9x/16
(3x-4(9x/16))/ ((4x-5(9x/16)))
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