NTSE or The National Talent Search Examination is conducted by the National Council of Educational Research and Training (NCERT) nation-wide to award scholarships to aspiring students. So, if you have successfully passed their stage I exam, it is time for you to buckle up for their Stage II exam to be held on May, 14, […]
Exercise – 13.1
Q.1: Q and R are events such as P(Q) = 0.6 , P(R) = 0.3, P(Q∩R) = 0.2. Determine the value of P(QR) and P(
Short answer questions:
Sol. Here , edge of there metallic cubes are 3 cm, 4cm, and 5cm.
Volume of single cube =
1. If perimeter of a circle is equal to that of a square, What would be the ratio of their areas.
Here, perimeter of circle = 2πr and perimeter of square = 4a
∴2
Exercise 11.1
1) Draw a line segment of length 7.6 cm and divide it in 5: 8 ration. In addition, find the measure of two parts.
Solution:
Procedure for construction:
1. In the figure, PQ is a chord of a circle and PT is the tangent at P such that ∠QPT = 60°. Then find the measure of ∠PRQ.
Solution.
Since OP is perpendicular to PT.
∠OPT = 90°
∠OPQ = 90°- ∠QPT
∠OPQ = 90 – 60 = 30°.
In ΔOPQ, […]
Central Board of Secondary Education (CBSE) will conduct the All India Premedical / Pre-Dental Entrance Test 2017, commonly referred as NEET Exam, in the first week of May 2017 in pen and paper mode. The images of response sheets and official answer keys of NEET 2017 Exam will be issued on the official website of NEET within one […]
NEET (National Eligibility cum Entrance Test) is a qualifying entrance test conducted pan-India for students aspiring to pursue any medical courses at the graduate level like MBBS and BDS and also for some postgraduate courses in few selected medical colleges in India. For the graduate level courses, students passing […]
JEE MAIN MOCK TEST gives an opportunity to experience the entrance exam. This Mock test lets you mark the paper in less time and allows you to change the answer if you marked wrong. It has become the popular choice to prepare for JEE Main of many aspirant engineers over the country.
These Mock Tests has […]
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