[(7.99)2 – (13.001)2 + (4.01)3]2 = ?
-1800
1450
-1660
1660
-1450
121 144 190 259 ? 466
351
349
374
328
None of these
The monthly expenses at IIM are partly constant & partly vary directly as the no. of inmates. If the expenses are Rs 4000 when no. of inmates is 240 & Rs 3200 when no. of inmates is 200 . Then no. of imnates when expense is Rs 3760 are
148
135
128
156
Which of the following is a pair of co-primes?
(16, 62)
(18, 25)
(21, 35)
(23, 92)
A red light flashes 3 times per minute and a green light flashes 5 times in two minutes at regular intervals. If both lights start flashing at the same time, how many times do they flash together in each hour?
30
24
20
60
1024 ÷ 3 -1014 + 512 – 248 + 1309 =?
900
-90
-519
1907
A printer numbers the pages of a book starting with 1 and uses 3189 digits in all. How many pages does the book have ?
1000
1074
1075
1080
Given that p, q, r are natural nos if p4 + q4 = r4 which of the following is always correct
either p is a prime or q is a prime
if p, q is a prime then r is also a prime
p, qandr can never be primes.
I and II
II and III
(7.5 x 7.5 +37.5+ 2.5 x 2.5) is equal to:
80
100
Four years ago Shyam's age was 3/4 times that of Ram. Four years hence, Shyam's age will be 5/6 times that of Ram. What is the present age of Shyam?
15 years
20 years
16 years
24 years
8 years
100 + 50 x 2 = ?
75
150
200
300
Find the wrong number in the series: 2, 9, 28, 65, 126, 216, 344
2
28
65
126
216
What is the remainder let after dividing 1!+2!+3!.....+10! by 7?
0
5
14
21
Which of the following number is divisible by 24 ?
31214
61212
512216
3125832
7921 × 51 + 374 = (?)3
16
19
15
(888) x 8888088= ?
808008
808080
808088
8008008
Anita had to do a multiplication. Instead of taking 35 as one of the multipliers, she took 53. As a result, the product went up by 540. What is the new product
1050
540
1440
1590
Three bells chime at an interval of 18, 24 and 32 minutes respectively. At a certaintime they begin to chime together. What length of time will elapse before they chimetogether again?
2 hours 24 minutes
4 hours 48 minutes
1 hour 36 minutes
5 hours
Given √5 = 2.2361, √3 = 1.7321, then 1/√5 - √3 is equal to;
1.98
1.984
1.9841
3/7*4/9*2/5*3719=?
341
283
274
301
288
The ratio of two numbers is 3:4 and their H.C.F is 4. Their L.C.M is?
22
36
What approximate value will come in the place of question mark (?) in the following questions? √2228 =?
43
49
84
86
An institute organized a fete and 1/5 of the girls and 1/8 of the boys participated in the same. What fraction of the total number of students took part in the fete?
2/13
13/40
Data inadequate
Given set: (63, 49, 35)
(72, 40, 24)
(72, 48, 24)
(64, 40, 28)
(81, 63, 45)
331, 482, 551, 263, 383, 242, 111
263
383
242
111
The average age of 40 students of a class is 15 years. When 10 new students are admitted, the average is increased by 0.2 year. The average age of the new students is
15.2 years
16.2 years
16.4 years
If 3√5 + √125 = 17.88, then what will be the value of √80 + 6√5 ?
13.41
20.46
21.66
22.35
2110 ÷ 25 + 350 ÷ 50 = ?
91.4
8.688
281.33
86.2
A number when successively divided by 3, 4 and 7 leaves respective remainders of 2, 1 and 5. What is the remainder, when any such number is divided by 21?
4
6
Indeterminate
7 3/4 + 5 1/4 + 8 1/4 = ?
20 1/4
21 1/2
21 3/4
20 3/4