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Solve interesting Mathematics questions using tricks for students:   1. 20 * 20 = 400 2. 21 * 21 = 441 3. 22 * 22 = 484 4. 23 * 23 = 529 5. 24 * 24 = 576 6. 25 * 25 = 625 7. 26 * 26 = 676 8. 27 * 27 = 729 9. 28 * 28 = 784 10. 29 * 29 = 841  The answers of above is three digit number : Trick :- From above we can conclude that for example 20 * 20 for digit at unit place take last digit of 20 that is 0 take square of it  which is 0 for digit at tens place take again last digit of 20 then multiply last digit with 4 i.e. 0 * 4 = 0 for digit at hundreds place take digit at tens place from 20 i.e. 2 i.e. 2 take square of it  which is 4 So answer is 400 21 * 21 for digit at unit place take last digit of 21 that is 1 take square of it  which is 1 for digit at tens place take again last digit of 21 then multiply last digit with 4 i.e. 1 * 4 = 4 for digit at hundreds place take digit at tens place from 21 i.e. 2 i.e. 2 take square of it  which is 4 So answer is 441 ...

Solve Mathematics questions using tricks for students: 1. 10 * 10 = 100 2. 11 * 11 = 121 3. 12 * 12 = 144 4. 13 * 13 = 169 5. 14 * 14 = 196 6. 15 * 15 = 225 7. 16 * 16 = 256 8. 17 * 17 =  289 9. 18 * 18 = 324 10. 19 * 19 = 361  The answers of above is three digit number : Up-to 19 we can use, Trick :- From above we can conclude that for example 11 * 11 for digit at unit place take last digit of 11 that is 1 take square of it  which is 1 for digit at tens place take again last digit of 11 then add last digit i.e. 1+1 =2 and for digit at hundreds place take digit at tens place from 11 i.e. 1 So answer is 121 Similarly for 12 and 13. for numbers 14, 15, 16, 17, 18, 19: 17 * 17 for digit at unit place take last digit of 17 that is 7 take square of it  which is 49 form where carry 4 and consider only 9 for digit at tens place take again last digit of 17 then add last digit i.e. 7 + 7 = 14 add carry to it 14 + 4 = 18 from where carry 1 and consider only...

Sugar से बचें . . . खुद को और अपने जीवन साथी को शूगर से बचाइये ।। एक 23 वर्ष के विवाहित जोडे ने जब अपने खून की जाँच कराई तो उनको मधुमेह निकला । तहकीकात से पता चला कि उनको ये बीमारी एक दूसर...

मना नहीं कर सकती  पुलिस किसी को पीने से ग़ालिब, क्योंकि...... पंजाब पुलिस वाले के कंधे पर लिखा है  (PP)-पी पी हरयाणा पुलिस (HP)- होर पी दिल्ली पुलिस (DP) -डेली पी राजस्थान पुलिस (RP)-रोज पी मध्यप्...

Solve interesting IQ increasing question  and answer in comments below Forward to your friends for challenge: 1.  3, 5, 7,  11, 13, 17, 19, ? A) 21 B) 23 C) 27 D) 29 2. 27, 125, 343, 1331, 2197, ? A) 3375 B) 2890 C) 2250 D) 4913 3. 44, 66, 88, 132, 176, ? A) 264 B) 220 C) 198 D) 222 4. 135, 357, 579, 7911, ? A) 9791 B) 9999 C) 91111 D) 91113 5. 13, 35, 57, 79, ? A) 99 B) 97 C) 911 D) 119 6. 57, 133, 171, 209, ? A) 285 B) 247 C) 243 D) 229 7. 8, 64, 216, ? A) 343 B) 512 C) 729 D) 1000 8. 5, 25, 50, 75, ? A) 125 B) 115 C) 100 D) None of the above 9. 1, 10, 11, 100, 101, ? A) 110 B) 111 C) 112 D) 1000 10. 0, 1, 9, 125, ? A) 343 B) 216 C) 1225 D) 1199 Thank you for visiting my blog and have a nice day

Indiara :  A research work for more than 10 - 15 years , resulted into the formulation of Indiara , as an effective non - toxic herbal pesticide mainly consisting of neem leaves , lotus , vegatables such as onion , garlic , mustard , chillies powder indifferent proportion . The damages caused by unrestricted good rampart use of chemical pesticides to human beings , animals , birds , fisher etc. Promted the scientists to involve this plant based drug. Indira is a unique and multi-beneficial products made out from edible vegetable are herbs.It is completely test toxic as per W .H . O  norms . Its LD - 50 eye - irritatiokn, texatogenicity at mutagencity test have indicated that it is safe to use. It act as an insecticide, fungicide , viricide and plant nutrient also.The insects and pest once irradicted by spraying the Indiara, they decrease permanently, their population even increases again . Indian acts as an insect repellant. As it has non mutagenic properyies, it never gen...

Medicinal uses of Clove : 1. It is carminative, antiseptic and dental analegic. 2. It is used as ocal anesthetic and rubefacient. 3. It increases the blood circulation. 4. It promotes digestion of fatty and crude food. 5. It relieves gastric and intestinal pains. 6. It is stomachic and antipasmodic. 7. It is used to relieve colic, indigestion and ommiting. 8. It is used to relieve flatulence and to increase the flow of saliva. Other uses: 1. It used in dental preparation and mouth washes. 2. Clove used as spice and condiments. 3. Clove oil  is used in perfurmary. 4. It is widely used  as flavouring agent. 5. Clove oil is used in manufacturing of vanillin. 6. Clove oil used in toilet solutions, soaps of oriental and spicy odor. 7. Clove used in baked cakes, confectionery, chocolate, puddings, deserts, sweets, and syrups. 8. Clove is used for flavoring curries, gravies, pickles, ketchup and sauces , spice mixtures and pickling spice. 9. Clove is used  in the preparation o...