Grade 11Magical Mathematics[Interesting Approach]
what is -5*-5 and 5*-10,
what is -5*-5 and 5*-10,
4 Answers
Nikhil Upadhyay
Answer for the first one is 25
and asnwer for the second one is -50 .THANKababd cgbdrfcc cffec PLZ APPROVE
Karthik Kumar
multiplication of two negative signs became positive.(- * – = +)
multiplication of one posiive sign and another one negative sign became a negative one .(- *+ or +*- gives -)
-5*-5 =+25 or 25
5*-10=-50
NARAYANA
MY DEAR FRIEND FIRST ONE ANSWER IS 25(TWENTY FIVE).SECOND ONE ANSWER IS -50(FIFTY).PLEASE APPROVE IT. THANK YOU.
manmath
answer of first question is 25
answer of second question is -50
multiplication of two negative signs became positive.(- * – = +)
multiplication of one posiive sign and another one negative sign became a negative one .(- *+ or +*- gives -)
-5*-5 =+25 or 25
5*-10=-50
Other Related Questions on magical mathematics[interesting approach]
Given that (1+5x)⁴ = 1 + Px + Qx² + Rx³ +..... Find the values of P - 2Q + 3R
Given that (1+5x)⁴ = 1 + Px + Qx² + Rx³ +..... Find the values of P - 2Q + 3R
magical mathematics[interesting approach]
Last Activity: 3 Years ago
9 men and 15 boys working 10 hours a day can make 12 pillars in 42 days, in how many days will 12 men and 22 boys working 8 hours a day can make pillars 4 times the previous number?
9 men and 15 boys working 10 hours a day can make 12 pillars in 42 days, in how many days will 12 men and 22 boys working 8 hours a day can make pillars 4 times the previous number?
magical mathematics[interesting approach]
Last Activity: 4 Years ago
In the given figure, PQ is a tangent at a point C to a circle with centre O. If AB is a diameter, find angle PCA + angle BCQ?
In the given figure, PQ is a tangent at a point C to a circle with centre O. If AB is a diameter, find angle PCA + angle BCQ?
magical mathematics[interesting approach]
Last Activity: 4 Years ago
for any two sets A and B (A-B)U(B-A)U (A intersection B)
for any two sets A and B (A-B)U(B-A)U (A intersection B)
magical mathematics[interesting approach]
Last Activity: 4 Years ago
If someone has got 150 out of 200 marks in term 1 exam and 160 out of 200 marks in term 2 exam then what is the percentage in 30:70
If someone has got 150 out of 200 marks in term 1 exam and 160 out of 200 marks in term 2 exam then what is the percentage in 30:70
magical mathematics[interesting approach]
Last Activity: 4 Years ago