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Browse complete papersIn a circular race of 2715 m, Abhay and Bharti start from the same point and at the same time with speeds of 20 km/h and 34 km/h, respectively. After how long will they meet again for the first time on the track when they are running in the opposite directions?
186 seconds
181 seconds
178 seconds
187 seconds
Correct answer
186 seconds
Find an estimate of the variance of the following data (rounded off to two decimal places).
Class: 0-10 10-20 20-30 30-40 40-50
Frequency: 8 16 24 25 17
185.05
190.34
163.11
147.67
Correct answer
185.05
If the sides of a triangle are 12 cm, 35 cm and 37 cm, then the circum radius is:
18.5 cm
16.0 cm
17.0 cm
16.5 cm
Correct answer
18.5 cm
What should come in place of the question mark (?) in the given series?
91 92 96 97 101 ?
104
103
102
101
Correct answer
104
If 2 is added to each odd digit and 1 is subtracted from each even digit in the number 7145632, then how many digits will appear more than once in the new number thus formed?
2
1
0
3
Correct answer
2
Two triangles have the same base of 24 cm. The ratio of their heights is 5 : 7 and the sum of their areas is 1728 \( cm^2 \). What is the height of the larger triangle?
72 cm
84 cm
78 cm
90 cm
Correct answer
72 cm
After successive discounts of 12% and 5% an article was sold for ₹418. What was the original price of the article?
\( ₹ 496 \)
\( ₹ 536 \)
\( ₹ 500 \)
\( ₹ 516 \)
Correct answer
\( ₹ 496 \)
The following table shows the price (in ₹ per 100 kg) of different items during different years. Answer the given question based on this table. What is the average price (in ₹ per 10 kg) of pulses from the years 1990 to 2010?
| 1990 | 1995 | 2000 | 2005 | 2010 | |
|---|---|---|---|---|---|
| Rice | 800 | 1150 | 1680 | 2400 | 3500 |
| Wheat | 450 | 700 | 1200 | 1650 | 2100 |
| Pulses | 2000 | 2700 | 3650 | 4600 | 6400 |
| Sugar | 1500 | 2200 | 3000 | 3800 | 4500 |
| Groundnut | 1200 | 1700 | 2450 | 3500 | 4200 |
| Oil | 4200 | 5500 | 6400 | 800 | 11000 |
\( 387 \)
\( 394 \)
\( 404 \)
\( 414 \)
Correct answer
\( 387 \)
Select the pair which follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern.
HLH−DHD
LPL−HLH
GKG−BGB
GJE−BFB
GKG−CGC
GJE−CGC
Correct answer
GKG−BGB
Suman has a brother,Tushar. Tushar’s daughter is Urmi. Urmi is married to Vikram; Vikram has a son, Yash. How is Urmi related to Suman?
Daughter
Wife
Brother’s daughter
Sister's daughter
Correct answer
Daughter