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प्र: Which is the gas used for making vegetables and vanaspathi from vegetable oils? 6118 0

उत्तर : 1. "Hydrogen"
व्याख्या :
Answer: A) Hydrogen Explanation: Hydrogen gas is used for making vegetables and vanaspathi from vegetable oils. As it is colourless, odourless, tasteless, flammable gaseous substance, it is added to oils to make them more solid or spreadable. The use of hydrogenation helps to prolong the shelf life of the food and maintain flavour stability.

प्र: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 6101 0

उत्तर : 4. "²²C₁₀ - 1"
व्याख्या :
Answer: D) ²²C₁₀ - 1 Explanation: The total number of ways of forming the group of ten representatives is ²²C₁₀. The total number of ways of forming the group that consists of no seniors is ¹⁰C₁₀ = 1 way The required number of ways = ²²C₁₀ - 1

प्र: Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ... 6087 0

उत्तर : 3. "17"
व्याख्या :
Answer: C) 17 Explanation: The pattern is 32+42=52, 52+122=132, 72+242=252 The next number = 82+152=172 i.e. 17

प्र: Lichens are the best indicator of 6085 1

उत्तर : 1. "Air pollution"
व्याख्या :
Answer: A) Air pollution Explanation: 1. Lichens are plants that grow in exposed places such as rocks or tree bark. 2. Lichens are widely used as environmental indicators or bio-indicators. They can be used as air pollution indicators, especially of the concentration of sulfur-di-oxide in the atmosphere. 3. They need to be very good at absorbing water and nutrients to grow there.

प्र: In a certain code language ‘ROUTINE’ is written as 'VMRGFLI'. How will 'CRUELTY' be written in that code language ? 6073 0

उत्तर : 2. "VPCVZRL"
व्याख्या :
Answer: B) VPCVZRL Explanation: ROUTINE IS 7 LETTER WORD.. (1st=R,2nd=O,3rd=U,4th=T,5th=I,6th=N,7th=E)1st and 3rd letter interchanging. (UORTINE)5th and 7th letter interchanging. (UORTENI)1st letter shifting one after that (VORTENI)2nd letter shifting two befor that (VMRTENI)3rd letter remains same (VMRTENI)4th letter(total alphabets - current)+1(26 - 20)+1= 7.(i.e) G (VMRGFNI)5th letter shifting one after that (VMRGFNI)6th letter shifting two befor that (VMRGFLI)7th letter remains same (VMRGFLILike that,CRUELTY IS 7 LETTER WORD.. (1st=C,2nd=R,3rd=U,4th=E,5th=L,6th=T,7th=Y)1st and 3rd letter interchanging. (URCELTY)5th and 7th letter interchanging. (URCEYTL)1st letter shifting one after that (VRCEYTL)2nd letter shifting two befor that (VPCEYTL)3rd letter remains same (VPCEYTL)4th letter (total alphabets - current)+1(26 - 5)+1= 22.(i.e) V (VPCVYTL) 5th letter shifting one after that (VPCVZTL)6th letter shifting two befor that (VPCVZRL)7th letter remains same (VPCVZRL).

प्र: Which of these relationships is true of an uncharged atom? 6073 0

उत्तर : 3. "The number of protons is equal to the number of electrons."
व्याख्या :
Answer: C) The number of protons is equal to the number of electrons. Explanation: The number of protons is equal to the number of electrons. That is the number of positive charges is equal to the number of negative charges.

प्र: 'P' walked 1 km towards south direction and turned 90oACW and walked 2 km. Then he turned his left and walked 1 km and then he turned his right and walked 2 km. After that he turned 90o ACW and walked 3 km. How far is he from the starting point ? 6066 0

उत्तर : 1. "5 km"
व्याख्या :
Answer: A) 5 km Explanation:

प्र: Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ? 6061 0

उत्तर : 4. "320 m"
व्याख्या :
Answer: D) 320 m Explanation: Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.Distance covered in 32 sec = 32 x 10 = 320 m. The length of the faster train = 320 m.

प्र: Which is the gas used for making vegetables and vanaspathi from vegetable oils? 6118 0

प्र: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 6101 0

प्र: Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ... 6087 0

उत्तर : 3. "17"
व्याख्या :
Answer: C) 17 Explanation: The pattern is 32+42=52, 52+122=132, 72+242=252 The next number = 82+152=172 i.e. 17

प्र: Lichens are the best indicator of 6085 1

प्र: In a certain code language ‘ROUTINE’ is written as 'VMRGFLI'. How will 'CRUELTY' be written in that code language ? 6073 0

प्र: Which of these relationships is true of an uncharged atom? 6073 0

प्र: 'P' walked 1 km towards south direction and turned 90oACW and walked 2 km. Then he turned his left and walked 1 km and then he turned his right and walked 2 km. After that he turned 90o ACW and walked 3 km. How far is he from the starting point ? 6066 0

उत्तर : 1. "5 km"
व्याख्या :
Answer: A) 5 km Explanation:

प्र: Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ? 6061 0

उत्तर : 4. "320 m"
व्याख्या :
Answer: D) 320 m Explanation: Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.Distance covered in 32 sec = 32 x 10 = 320 m. The length of the faster train = 320 m.

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प्र: Which is the gas used for making vegetables and vanaspathi from vegetable oils? 6118 05b5cc6b1e4d2b4197774d346

प्र: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 6101 05b5cc6eee4d2b4197774eed7

प्र: Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ... 6087 05b5cc771e4d2b4197774ffc6

उत्तर : 3. "17" व्याख्या :Answer: C) 17 Explanation: The pattern is 32+42=52, 52+122=132, 72+242=252 The next number = 82+152=172 i.e. 17

प्र: Lichens are the best indicator of 6085 15b5cc6ade4d2b4197774d0ff

प्र: In a certain code language ‘ROUTINE’ is written as 'VMRGFLI'. How will 'CRUELTY' be written in that code language ? 6073 05b5cc71be4d2b4197774f503

प्र: Which of these relationships is true of an uncharged atom? 6073 05b5cc688e4d2b4197774c35a

प्र: 'P' walked 1 km towards south direction and turned 90oACW and walked 2 km. Then he turned his left and walked 1 km and then he turned his right and walked 2 km. After that he turned 90o ACW and walked 3 km. How far is he from the starting point ? 6066 05b5cc6cee4d2b4197774e23c

उत्तर : 1. "5 km" व्याख्या :Answer: A) 5 km Explanation:

प्र: Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ? 6061 05b5cc6d8e4d2b4197774e769

उत्तर : 4. "320 m" व्याख्या :Answer: D) 320 m Explanation: Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.Distance covered in 32 sec = 32 x 10 = 320 m. The length of the faster train = 320 m.

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त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

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त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

प्र: Which is the gas used for making vegetables and vanaspathi from vegetable oils? 6118 0

प्र: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 6101 0

प्र: Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ... 6087 0

उत्तर : 3. "17"
व्याख्या :
Answer: C) 17 Explanation: The pattern is 32+42=52, 52+122=132, 72+242=252 The next number = 82+152=172 i.e. 17

प्र: Lichens are the best indicator of 6085 1

प्र: In a certain code language ‘ROUTINE’ is written as 'VMRGFLI'. How will 'CRUELTY' be written in that code language ? 6073 0

प्र: Which of these relationships is true of an uncharged atom? 6073 0

प्र: 'P' walked 1 km towards south direction and turned 90oACW and walked 2 km. Then he turned his left and walked 1 km and then he turned his right and walked 2 km. After that he turned 90o ACW and walked 3 km. How far is he from the starting point ? 6066 0

उत्तर : 1. "5 km"
व्याख्या :
Answer: A) 5 km Explanation:

प्र: Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a girl sitting at window seat in the slower train in 32 seconds. Find the length of the faster train ? 6061 0

उत्तर : 4. "320 m"
व्याख्या :
Answer: D) 320 m Explanation: Relative speed = (72 - 36) x 5/18 = 2 x 5 = 10 mps.Distance covered in 32 sec = 32 x 10 = 320 m. The length of the faster train = 320 m.