Q.2 Find the arithmetic mean of the following data (correct to two places of decimals).
Classinterval
5-15
15-25
25-35
35-45
45-55
55-65
Frequency
12
18
8
14
16
8
Ans 1. 33.68
2. 43.72
3. 22.38
4. 39.45
Q.3 Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::?
# : RXT :: FLH : %
Ans 1. # = OGT, % = IKH
2. # = GHT, % = INY
3. # = OUP, % = KIU
4. # = OUQ, % = IOK
Q.4 Which of the following rivers is ephemeral?
Ans 1. Beas
2. Chambal
3. Yamuna
4. Luni
Q.1 Which of the following is true regarding the bud development process in Hydra?
Ans 1. Cell divisions at one site
2. Formation of spore
3. Splitting of cytoplasm
4. Splitting of nucleus
Q.2 When an atom of sodium reacts with an atom of chlorine to form sodium chloride, each sodium atom:
Ans 1. gains one electron
2. gains one proton
3. loses one electron
4. loses one proton
Q.3 If at same rate of interest, in 2 years, the simple interest is ₹56 and compound interest is ₹72, then what is the principal (in ₹)?
Ans 1. 53
2. 42
3. 49
4. 44
Q.4 If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 4835176, what will be the sum of the digits which are second from the left and second from the right?
Ans 1. 10
2. 12
3. 11
4. 14
Q.5 Which of the following chemical equations is balanced?
Ans 1. 2H₂ + O₂ → 2H₂O
2. H₂ + 2O₂ → 2H₂O
3. H₂ + O₂ → H₂O
4. H₂O + O₂ → H₂O₂
Q.1 Pratap starts from Point A and drives 16 km towards south. He then takes a right turn,drives 13 km, turns right and drives 18 km. He then takes a right turn and drives 18 km.
He takes a final right turn, drives 2 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)
Ans 1. 7 km to the west
2. 5 km to the west
3. 3 km to the west
4. 6 km to the west
Q.2 If the Radius hamisphere is increse by 50% the find the percentage increse the volume.
Ans 1. 112.5%
2. 150%
3. 125%
4. 137.5%
Q.3 Sangeeta and Hemlata invest in a business in the ratio 1 : 3. If total profit is Rs. 2568,then what is difference between the profit (in Rs.) of Sangeeta and Hemlata?
Ans 1. 1384
2. 1284
3. 1184
4. 1334
Q.4 The length of each of the two equal sides of an isosceles triangle is 89 cm each and the length of its base is 78 cm. The area (in cm2) of the triangle is:
Ans 1. 3120
2. 3134
3. 3102
4. 3139
Q.1 SKIB is related to OGNG in a certain way based on the English alphabecal order.
In the same way, CUCV is related to YQHA. To which of the following opons is QIRK related, following the same logic?
Ans 1. MWEP
2. MWPE
3. MEPW
4. MEWP
Q.2 The magnetic field inside a long, straight solenoid carrying current is ____________.
Ans 1. uniform and parallel to the axis of the solenoid
2. inversely proportional to the current
3. zero
4. stronger near the edges
Q.3 Which of the following materials is likely to be non-biodegradable?
Ans 1. Paper
2. Plastic
3. Vegetable peels
4. Wood
Q.4 Which of the following articles deals with the Finance Commission that distributes taxes between the Centre and State?
Ans 1. Article 281
2. Article 283
3. Article 282
4. Article 280
