Practice Question and Answer
8 Q: What approximate value should come in place of the question mark(?) in the following question.
635×455÷403=?
3749 05d4aaf0011160f205237394e
5d4aaf0011160f205237394e635×455÷403=?
- 1735false
- 2795false
- 3695false
- 4685false
- 5715true
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Answer : 5. "715"
Q: Ram started walking from a mall. First, he walked 3 km. in North direction. From there he took a right turn and walked 3 km. Then he turned right and walked 5 km. Then he again took a right turn and walked 7 km. what is the mini mum distance between Mall and Kartik's last position.
3748 05f5b2c4cdc518b408a4374a7
5f5b2c4cdc518b408a4374a7- 15 kmtrue
- 210 kmfalse
- 37 kmfalse
- 43 kmfalse
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Answer : 1. "5 km "
Q: A compass always points to 3748 25b5cc60ae4d2b4197774b572
5b5cc60ae4d2b4197774b572- 1Northfalse
- 2Magnetic northtrue
- 3Magnetic Southfalse
- 4Southfalse
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Answer : 2. "Magnetic north"
Explanation :
Answer: B) Magnetic north Explanation: Wherever on earth we hold a compass, the needle points towards the magnetic North Pole. A compass is a great tool for navigation. Compass is widely used in aircrafts, ships, military services,...
Q: During the India-Pakistan War of 1965 AD, the United Nations Secretary-General, whose role was commendable, was?
3748 15ef30da57c1ec61320b1baa1
5ef30da57c1ec61320b1baa1- 1Javier Perezfalse
- 2Kurt Waldheimfalse
- 3Yu Thanttrue
- 4Dag Hammersholdfalse
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Answer : 3. "Yu Thant"
Q: A watch gains 5 seconds in 3 minutes and was set right at 8 AM. What time will it show at 10 PM on the same day ? 3747 05b5cc6e7e4d2b4197774edd4
5b5cc6e7e4d2b4197774edd4- 110 : 27 : 41 AMfalse
- 28 : 51 : 04 AMfalse
- 39 : 45 : 15 PMfalse
- 410 : 23 : 20 PMtrue
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Answer : 4. "10 : 23 : 20 PM"
Explanation :
Answer: D) 10 : 23 : 20 PM Explanation: The watch gains 5 seconds in 3 minutes = 100 seconds in 1 hour. From 8 AM to 10 PM on the same day, time passed is 14 hours. In 14 hours, the watch would have gained 1400 seconds or 23 minutes 20 seconds. So, when the correct time is 10 PM, the watch would show 10 : 23 : 20 PM
Q: The average age of a class is 19 years. While the average age of girls is 18 and that of boys is 21. If the number of girls in the class is 16, Find the number of Boys in the class? 3744 05b5cc6bce4d2b4197774d8a2
5b5cc6bce4d2b4197774d8a2- 112false
- 210false
- 38true
- 46false
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Answer : 3. "8"
Explanation :
Answer: C) 8 Explanation: Let the number of boys = x From the given data, => [21x + 16(18)]/(x+16) = 19 => 21x - 19x = 19(16) - 16(18) => 2x = 16 => x = 8 Therefore, the number of boys in the class = 8.
Q: What is the increase in the proportion of oxygen in a chemical reaction? 3744 05ce2467c59f5727b01f37fd6
5ce2467c59f5727b01f37fd6- 1Dysfunction Reactionfalse
- 2Subtracting reactionstrue
- 3Heat reactionfalse
- 4Displacement Reactionfalse
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Answer : 2. "Subtracting reactions"
Q: If HCF of two numbers is 8,which of the following can never be their LCM? 3743 05b5cc75ce4d2b4197774fc5c
5b5cc75ce4d2b4197774fc5c- 132false
- 248false
- 360true
- 4152false
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Answer : 3. "60"
Explanation :
Answer: C) 60 Explanation: 60 is not a multiple of 8