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Q:

Kalyan purchased a Maruti van for Rs. 1,96,000 and the rate of depreciation is 14(2/7) % per annum. Find the value of the van after two years ?

A) Rs. 1,24,000	B) Rs. 1,44,000
C) Rs. 1,32,000	D) Rs. 1,62,000

Answer & Explanation Answer: B) Rs. 1,44,000

Explanation:

Value of Maruti Van, V1 = Rs. 1,96,000
Rate of depreciation, r = 14(2/7)% = 100/7%; Time, t = 2 years
Let V2 is the value after depreciation.

$V 2 = V 1 {(1 - (\frac{r}{100}))}^{t}$
V2 = $19600 {[1 - (\frac{\frac{100}{7}}{100})]}^{2}$

V2 = 196000(6/7)(6/7)

V2 = (196000x36)/49 = Rs. 1,44,000.

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Filed Under: Percentage
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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Q:

In what time will Rs. 3300 becomes Rs. 3399 at 6% per annum interest compounded half-yearly ?

A) Quarter months	B) Half year
C) 2 years	D) 1 year

Answer & Explanation Answer: B) Half year

Explanation:

3300 ----- 3% ↑ (1st time interval, 99) → 3399.

Here, time interval is given as half-yearly i.e. 6 months.

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Filed Under: Compound Interest
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Q:

Find the principal if the interest compounded at the rate of 10% per annum for two years is Rs. 420 ?

A) Rs. 2000	B) Rs. 2100
C) Rs. 1900	D) Rs. 2150

Answer & Explanation Answer: A) Rs. 2000

Explanation:

Given,
Compound rate, R = 10% per annum
Time = 2 years
C.I = Rs. 420
Let P be the required principal.
A = (P+C.I)
Amount, A = $P {(1 + (\frac{r}{100}))}^{n}$

(P+C.I) = $P {[1 + (\frac{10}{100})]}^{2}$

(P+420) = P[11/10][11/10]

P-1.21P = -420

0.21P = 420

Hence, P = 420/0.21 = Rs. 2000

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Filed Under: Compound Interest
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Q:

Which company announced the launch of 1Gbps (gigabits per second) wired broadband internet services in Hyderabad, India's first giga city?

A) ACT Fibernet	B) BSNL
C) RCOM	D) Telenor India

Answer & Explanation Answer: A) ACT Fibernet

Explanation:

ACT Fibernet announced the launch of 1Gbps (gigabits per second) wired broadband internet services in Hyderabad. It makes the `City of Pearls’ India’s first `Giga City.’ In Hyderabad, the 1 Gb plan will offer at Rs 5,999 per month.

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Filed Under: General Awareness
Exam Prep: Bank Exams
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Q:

Supreme Court has banned the sale of BS-III vehicles from _____.

A) October 2, 2017	B) May 1, 2017
C) April 1, 2017	D) June 1, 2017

Answer & Explanation Answer: C) April 1, 2017

Explanation:

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Filed Under: General Awareness

Q:

There are 41 students in a class, number of girls is one more than number of guys. we need to form a team of four students. all four in the team cannot be from same gender. number of girls and guys in the team should NOT be equal. How many ways can such a team be made ?

A) 49450	B) 50540
C) 46587	D) 52487

Answer & Explanation Answer: B) 50540

Explanation:

Given G + B= 41 and B = G-1
Hence, G = 21 and B = 20
Now we have 2 options,
1G and 3M
(or)
3G and 1M
(2G and 2M or 0G and 4M or 4G and oM are not allowed),

Total : ${}^{21}C_{1} \times {}^{20}C_{3} + {}^{21}C_{3} \times {}^{20}C_{1}$ = 50540 ways.

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Filed Under: Permutations and Combinations
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Q:

Maheshwari wants to buy 7 floors in an 68 storied building whose numbering stars from 1 upto 68. But she has to follow certain rules which are as follows :

1) None of the floor should be a prime number

2) None of the digit of the floor should be a prime number

3) Maheshwari cannot buy the 1st floor as it is being assigned to the architect.

So how many options are left with Maheshwari to buy the floors ?

A) 11	B) 17
C) 13	D) 19

Answer & Explanation Answer: B) 17

Explanation:

Since floor starts form the 1 therefore 2 will be the 1st floor.
Form 1 to 10 only 4,6,8,9,10 are not prime.
Form 11 to 20 only 14 ,16,18 are not prime also non of their digits are prime.
From 21 to 30 each number has a prime number so it must no be consider.
In between 40 to 49 we have to consider only 40,44,46,48,49.
50 to 59 follow either of the condition so we have too neglect it.
In between 60 to 68 60,64,66,68.
total option = 17.

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Filed Under: Numbers
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Q:

Full-service airline Jet Airways has announced a partnership with ride-hailing app ________ to book airport cabs through the Jet Airways app itself in 2017.

A) Bookmycab	B) Dot cabs
C) Meru	D) Uber

Answer & Explanation Answer: D) Uber

Explanation:

Full-service airline Jet Airways has announced a partnership with ride-hailing app Uber to book airport cabs through the Jet Airways app itself. The airline will partner Uber and facilitate travel from the airport once a passenger has booked a ticket on the Jet Airways app.

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT
Job Role: Bank PO

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